139620260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{537001}}^1$

素因数の和:537023

約数の個数: 24

約数和(自身を含む): 315757176

約数和(自身を除く): 176136916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 537001, 1074002, 2148004, 2685005, 5370010, 6981013, 10740020, 13962026, 27924052, 34905065, 69810130, 139620260]

約数ペア:

[(1, 139620260), (2, 69810130), (4, 34905065), (5, 27924052), (10, 13962026), (13, 10740020), (20, 6981013), (26, 5370010), (52, 2685005), (65, 2148004), (130, 1074002), (260, 537001)]