8238750

素因数分解:

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

素因数の和:64

約数の個数: 80

約数和(自身を含む): 22305360

約数和(自身を除く): 14066610

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 169, 195, 250, 325, 338, 375, 390, 507, 625, 650, 750, 845, 975, 1014, 1250, 1625, 1690, 1875, 1950, 2197, 2535, 3250, 3750, 4225, 4394, 4875, 5070, 6591, 8125, 8450, 9750, 10985, 12675, 13182, 16250, 21125, 21970, 24375, 25350, 32955, 42250, 48750, 54925, 63375, 65910, 105625, 109850, 126750, 164775, 211250, 274625, 316875, 329550, 549250, 633750, 823875, 1373125, 1647750, 2746250, 4119375, 8238750]

約数ペア:

[(1, 8238750), (2, 4119375), (3, 2746250), (5, 1647750), (6, 1373125), (10, 823875), (13, 633750), (15, 549250), (25, 329550), (26, 316875), (30, 274625), (39, 211250), (50, 164775), (65, 126750), (75, 109850), (78, 105625), (125, 65910), (130, 63375), (150, 54925), (169, 48750), (195, 42250), (250, 32955), (325, 25350), (338, 24375), (375, 21970), (390, 21125), (507, 16250), (625, 13182), (650, 12675), (750, 10985), (845, 9750), (975, 8450), (1014, 8125), (1250, 6591), (1625, 5070), (1690, 4875), (1875, 4394), (1950, 4225), (2197, 3750), (2535, 3250)]