129206740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{496949}}^1$

素因数の和:496971

約数の個数: 24

約数和(自身を含む): 292206600

約数和(自身を除く): 162999860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 496949, 993898, 1987796, 2484745, 4969490, 6460337, 9938980, 12920674, 25841348, 32301685, 64603370, 129206740]

約数ペア:

[(1, 129206740), (2, 64603370), (4, 32301685), (5, 25841348), (10, 12920674), (13, 9938980), (20, 6460337), (26, 4969490), (52, 2484745), (65, 1987796), (130, 993898), (260, 496949)]