20512762000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{887}}^1$

素因数の和:1314

約数の個数: 160

約数和(自身を含む): 51394996224

約数和(自身を除く): 30882234224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 373, 400, 496, 500, 620, 746, 775, 887, 1000, 1240, 1492, 1550, 1774, 1865, 2000, 2480, 2984, 3100, 3548, 3730, 3875, 4435, 5968, 6200, 7096, 7460, 7750, 8870, 9325, 11563, 12400, 14192, 14920, 15500, 17740, 18650, 22175, 23126, 27497, 29840, 31000, 35480, 37300, 44350, 46252, 46625, 54994, 57815, 62000, 70960, 74600, 88700, 92504, 93250, 109988, 110875, 115630, 137485, 149200, 177400, 185008, 186500, 219976, 221750, 231260, 274970, 289075, 330851, 354800, 373000, 439952, 443500, 462520, 549940, 578150, 661702, 687425, 746000, 887000, 925040, 1099880, 1156300, 1323404, 1374850, 1445375, 1654255, 1774000, 2199760, 2312600, 2646808, 2749700, 2890750, 3308510, 3437125, 4625200, 5293616, 5499400, 5781500, 6617020, 6874250, 8271275, 10256381, 10998800, 11563000, 13234040, 13748500, 16542550, 20512762, 23126000, 26468080, 27497000, 33085100, 41025524, 41356375, 51281905, 54994000, 66170200, 82051048, 82712750, 102563810, 132340400, 164102096, 165425500, 205127620, 256409525, 330851000, 410255240, 512819050, 661702000, 820510480, 1025638100, 1282047625, 2051276200, 2564095250, 4102552400, 5128190500, 10256381000, 20512762000]

約数ペア:

[(1, 20512762000), (2, 10256381000), (4, 5128190500), (5, 4102552400), (8, 2564095250), (10, 2051276200), (16, 1282047625), (20, 1025638100), (25, 820510480), (31, 661702000), (40, 512819050), (50, 410255240), (62, 330851000), (80, 256409525), (100, 205127620), (124, 165425500), (125, 164102096), (155, 132340400), (200, 102563810), (248, 82712750), (250, 82051048), (310, 66170200), (373, 54994000), (400, 51281905), (496, 41356375), (500, 41025524), (620, 33085100), (746, 27497000), (775, 26468080), (887, 23126000), (1000, 20512762), (1240, 16542550), (1492, 13748500), (1550, 13234040), (1774, 11563000), (1865, 10998800), (2000, 10256381), (2480, 8271275), (2984, 6874250), (3100, 6617020), (3548, 5781500), (3730, 5499400), (3875, 5293616), (4435, 4625200), (5968, 3437125), (6200, 3308510), (7096, 2890750), (7460, 2749700), (7750, 2646808), (8870, 2312600), (9325, 2199760), (11563, 1774000), (12400, 1654255), (14192, 1445375), (14920, 1374850), (15500, 1323404), (17740, 1156300), (18650, 1099880), (22175, 925040), (23126, 887000), (27497, 746000), (29840, 687425), (31000, 661702), (35480, 578150), (37300, 549940), (44350, 462520), (46252, 443500), (46625, 439952), (54994, 373000), (57815, 354800), (62000, 330851), (70960, 289075), (74600, 274970), (88700, 231260), (92504, 221750), (93250, 219976), (109988, 186500), (110875, 185008), (115630, 177400), (137485, 149200)]