25156720040

素因数分解:

$2^3\times 5^1\times {\mathrm{628918001}}^1$

素因数の和:628918012

約数の個数: 16

約数和(自身を含む): 56602620180

約数和(自身を除く): 31445900140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 628918001, 1257836002, 2515672004, 3144590005, 5031344008, 6289180010, 12578360020, 25156720040]

約数ペア:

[(1, 25156720040), (2, 12578360020), (4, 6289180010), (5, 5031344008), (8, 3144590005), (10, 2515672004), (20, 1257836002), (40, 628918001)]