164157500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{5051}}^1$

素因数の和:5088

約数の個数: 60

約数和(自身を含む): 386669976

約数和(自身を除く): 222512476

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 2500, 3250, 5051, 6500, 8125, 10102, 16250, 20204, 25255, 32500, 50510, 65663, 101020, 126275, 131326, 252550, 262652, 328315, 505100, 631375, 656630, 1262750, 1313260, 1641575, 2525500, 3156875, 3283150, 6313750, 6566300, 8207875, 12627500, 16415750, 32831500, 41039375, 82078750, 164157500]

約数ペア:

[(1, 164157500), (2, 82078750), (4, 41039375), (5, 32831500), (10, 16415750), (13, 12627500), (20, 8207875), (25, 6566300), (26, 6313750), (50, 3283150), (52, 3156875), (65, 2525500), (100, 1641575), (125, 1313260), (130, 1262750), (250, 656630), (260, 631375), (325, 505100), (500, 328315), (625, 262652), (650, 252550), (1250, 131326), (1300, 126275), (1625, 101020), (2500, 65663), (3250, 50510), (5051, 32500), (6500, 25255), (8125, 20204), (10102, 16250)]