40626820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156257}}^1$

素因数の和:156279

約数の個数: 24

約数和(自身を含む): 91879704

約数和(自身を除く): 51252884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 156257, 312514, 625028, 781285, 1562570, 2031341, 3125140, 4062682, 8125364, 10156705, 20313410, 40626820]

約数ペア:

[(1, 40626820), (2, 20313410), (4, 10156705), (5, 8125364), (10, 4062682), (13, 3125140), (20, 2031341), (26, 1562570), (52, 781285), (65, 625028), (130, 312514), (260, 156257)]