68901820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{265007}}^1$

素因数の和:265029

約数の個数: 24

約数和(自身を含む): 155824704

約数和(自身を除く): 86922884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 265007, 530014, 1060028, 1325035, 2650070, 3445091, 5300140, 6890182, 13780364, 17225455, 34450910, 68901820]

約数ペア:

[(1, 68901820), (2, 34450910), (4, 17225455), (5, 13780364), (10, 6890182), (13, 5300140), (20, 3445091), (26, 2650070), (52, 1325035), (65, 1060028), (130, 530014), (260, 265007)]