64329550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{18121}}^1$

素因数の和:18204

約数の個数: 24

約数和(自身を含む): 121344912

約数和(自身を除く): 57015362

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 18121, 36242, 90605, 181210, 453025, 906050, 1286591, 2573182, 6432955, 12865910, 32164775, 64329550]

約数ペア:

[(1, 64329550), (2, 32164775), (5, 12865910), (10, 6432955), (25, 2573182), (50, 1286591), (71, 906050), (142, 453025), (355, 181210), (710, 90605), (1775, 36242), (3550, 18121)]