78503750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{4831}}^1$

素因数の和:4866

約数の個数: 40

約数和(自身を含む): 158499264

約数和(自身を除く): 79995514

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 4831, 8125, 9662, 16250, 24155, 48310, 62803, 120775, 125606, 241550, 314015, 603875, 628030, 1207750, 1570075, 3019375, 3140150, 6038750, 7850375, 15700750, 39251875, 78503750]

約数ペア:

[(1, 78503750), (2, 39251875), (5, 15700750), (10, 7850375), (13, 6038750), (25, 3140150), (26, 3019375), (50, 1570075), (65, 1207750), (125, 628030), (130, 603875), (250, 314015), (325, 241550), (625, 125606), (650, 120775), (1250, 62803), (1625, 48310), (3250, 24155), (4831, 16250), (8125, 9662)]