85870000

素因数分解:

$2^4\times 5^4\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:336

約数の個数: 100

約数和(自身を含む): 215381056

約数和(自身を除く): 129511056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 277, 310, 400, 496, 500, 554, 620, 625, 775, 1000, 1108, 1240, 1250, 1385, 1550, 2000, 2216, 2480, 2500, 2770, 3100, 3875, 4432, 5000, 5540, 6200, 6925, 7750, 8587, 10000, 11080, 12400, 13850, 15500, 17174, 19375, 22160, 27700, 31000, 34348, 34625, 38750, 42935, 55400, 62000, 68696, 69250, 77500, 85870, 110800, 137392, 138500, 155000, 171740, 173125, 214675, 277000, 310000, 343480, 346250, 429350, 554000, 686960, 692500, 858700, 1073375, 1385000, 1717400, 2146750, 2770000, 3434800, 4293500, 5366875, 8587000, 10733750, 17174000, 21467500, 42935000, 85870000]

約数ペア:

[(1, 85870000), (2, 42935000), (4, 21467500), (5, 17174000), (8, 10733750), (10, 8587000), (16, 5366875), (20, 4293500), (25, 3434800), (31, 2770000), (40, 2146750), (50, 1717400), (62, 1385000), (80, 1073375), (100, 858700), (124, 692500), (125, 686960), (155, 554000), (200, 429350), (248, 346250), (250, 343480), (277, 310000), (310, 277000), (400, 214675), (496, 173125), (500, 171740), (554, 155000), (620, 138500), (625, 137392), (775, 110800), (1000, 85870), (1108, 77500), (1240, 69250), (1250, 68696), (1385, 62000), (1550, 55400), (2000, 42935), (2216, 38750), (2480, 34625), (2500, 34348), (2770, 31000), (3100, 27700), (3875, 22160), (4432, 19375), (5000, 17174), (5540, 15500), (6200, 13850), (6925, 12400), (7750, 11080), (8587, 10000)]