10478000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 120

約数和(自身を含む): 28319616

約数和(自身を除く): 17841616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 125, 130, 155, 169, 200, 208, 248, 250, 260, 310, 325, 338, 400, 403, 496, 500, 520, 620, 650, 676, 775, 806, 845, 1000, 1040, 1240, 1300, 1352, 1550, 1612, 1625, 1690, 2000, 2015, 2480, 2600, 2704, 3100, 3224, 3250, 3380, 3875, 4030, 4225, 5200, 5239, 6200, 6448, 6500, 6760, 7750, 8060, 8450, 10075, 10478, 12400, 13000, 13520, 15500, 16120, 16900, 20150, 20956, 21125, 26000, 26195, 31000, 32240, 33800, 40300, 41912, 42250, 50375, 52390, 62000, 67600, 80600, 83824, 84500, 100750, 104780, 130975, 161200, 169000, 201500, 209560, 261950, 338000, 403000, 419120, 523900, 654875, 806000, 1047800, 1309750, 2095600, 2619500, 5239000, 10478000]

約数ペア:

[(1, 10478000), (2, 5239000), (4, 2619500), (5, 2095600), (8, 1309750), (10, 1047800), (13, 806000), (16, 654875), (20, 523900), (25, 419120), (26, 403000), (31, 338000), (40, 261950), (50, 209560), (52, 201500), (62, 169000), (65, 161200), (80, 130975), (100, 104780), (104, 100750), (124, 84500), (125, 83824), (130, 80600), (155, 67600), (169, 62000), (200, 52390), (208, 50375), (248, 42250), (250, 41912), (260, 40300), (310, 33800), (325, 32240), (338, 31000), (400, 26195), (403, 26000), (496, 21125), (500, 20956), (520, 20150), (620, 16900), (650, 16120), (676, 15500), (775, 13520), (806, 13000), (845, 12400), (1000, 10478), (1040, 10075), (1240, 8450), (1300, 8060), (1352, 7750), (1550, 6760), (1612, 6500), (1625, 6448), (1690, 6200), (2000, 5239), (2015, 5200), (2480, 4225), (2600, 4030), (2704, 3875), (3100, 3380), (3224, 3250)]