31368220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120647}}^1$

素因数の和:120669

約数の個数: 24

約数和(自身を含む): 70941024

約数和(自身を除く): 39572804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 120647, 241294, 482588, 603235, 1206470, 1568411, 2412940, 3136822, 6273644, 7842055, 15684110, 31368220]

約数ペア:

[(1, 31368220), (2, 15684110), (4, 7842055), (5, 6273644), (10, 3136822), (13, 2412940), (20, 1568411), (26, 1206470), (52, 603235), (65, 482588), (130, 241294), (260, 120647)]