10985000

素因数分解:

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

素因数の和:65

約数の個数: 80

約数和(自身を含む): 27881700

約数和(自身を除く): 16896700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 169, 200, 250, 260, 325, 338, 500, 520, 625, 650, 676, 845, 1000, 1250, 1300, 1352, 1625, 1690, 2197, 2500, 2600, 3250, 3380, 4225, 4394, 5000, 6500, 6760, 8125, 8450, 8788, 10985, 13000, 16250, 16900, 17576, 21125, 21970, 32500, 33800, 42250, 43940, 54925, 65000, 84500, 87880, 105625, 109850, 169000, 211250, 219700, 274625, 422500, 439400, 549250, 845000, 1098500, 1373125, 2197000, 2746250, 5492500, 10985000]

約数ペア:

[(1, 10985000), (2, 5492500), (4, 2746250), (5, 2197000), (8, 1373125), (10, 1098500), (13, 845000), (20, 549250), (25, 439400), (26, 422500), (40, 274625), (50, 219700), (52, 211250), (65, 169000), (100, 109850), (104, 105625), (125, 87880), (130, 84500), (169, 65000), (200, 54925), (250, 43940), (260, 42250), (325, 33800), (338, 32500), (500, 21970), (520, 21125), (625, 17576), (650, 16900), (676, 16250), (845, 13000), (1000, 10985), (1250, 8788), (1300, 8450), (1352, 8125), (1625, 6760), (1690, 6500), (2197, 5000), (2500, 4394), (2600, 4225), (3250, 3380)]