164927750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1698

約数の個数: 64

約数和(自身を含む): 343429632

約数和(自身を除く): 178501882

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 310, 325, 403, 650, 775, 806, 1550, 1625, 1637, 2015, 3250, 3274, 3875, 4030, 7750, 8185, 10075, 16370, 20150, 21281, 40925, 42562, 50375, 50747, 81850, 100750, 101494, 106405, 204625, 212810, 253735, 409250, 507470, 532025, 659711, 1064050, 1268675, 1319422, 2537350, 2660125, 3298555, 5320250, 6343375, 6597110, 12686750, 16492775, 32985550, 82463875, 164927750]

約数ペア:

[(1, 164927750), (2, 82463875), (5, 32985550), (10, 16492775), (13, 12686750), (25, 6597110), (26, 6343375), (31, 5320250), (50, 3298555), (62, 2660125), (65, 2537350), (125, 1319422), (130, 1268675), (155, 1064050), (250, 659711), (310, 532025), (325, 507470), (403, 409250), (650, 253735), (775, 212810), (806, 204625), (1550, 106405), (1625, 101494), (1637, 100750), (2015, 81850), (3250, 50747), (3274, 50375), (3875, 42562), (4030, 40925), (7750, 21281), (8185, 20150), (10075, 16370)]