64579820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{104161}}^1$

素因数の和:104201

約数の個数: 24

約数和(自身を含む): 139993728

約数和(自身を除く): 75413908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 104161, 208322, 416644, 520805, 1041610, 2083220, 3228991, 6457982, 12915964, 16144955, 32289910, 64579820]

約数ペア:

[(1, 64579820), (2, 32289910), (4, 16144955), (5, 12915964), (10, 6457982), (20, 3228991), (31, 2083220), (62, 1041610), (124, 520805), (155, 416644), (310, 208322), (620, 104161)]