1272345625

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1555

約数の個数: 40

約数和(自身を含む): 1687409856

約数和(自身を除く): 415064231

約数列:

[1, 5, 23, 25, 61, 115, 125, 305, 575, 625, 1403, 1451, 1525, 2875, 7015, 7255, 7625, 14375, 33373, 35075, 36275, 38125, 88511, 166865, 175375, 181375, 442555, 834325, 876875, 906875, 2035753, 2212775, 4171625, 10178765, 11063875, 20858125, 50893825, 55319375, 254469125, 1272345625]

約数ペア:

[(1, 1272345625), (5, 254469125), (23, 55319375), (25, 50893825), (61, 20858125), (115, 11063875), (125, 10178765), (305, 4171625), (575, 2212775), (625, 2035753), (1403, 906875), (1451, 876875), (1525, 834325), (2875, 442555), (7015, 181375), (7255, 175375), (7625, 166865), (14375, 88511), (33373, 38125), (35075, 36275)]