260605160

素因数分解:

$2^3\times 5^1\times {\mathrm{6515129}}^1$

素因数の和:6515140

約数の個数: 16

約数和(自身を含む): 586361700

約数和(自身を除く): 325756540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6515129, 13030258, 26060516, 32575645, 52121032, 65151290, 130302580, 260605160]

約数ペア:

[(1, 260605160), (2, 130302580), (4, 65151290), (5, 52121032), (8, 32575645), (10, 26060516), (20, 13030258), (40, 6515129)]