80826070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{621739}}^1$

素因数の和:621759

約数の個数: 16

約数和(自身を含む): 156678480

約数和(自身を除く): 75852410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 621739, 1243478, 3108695, 6217390, 8082607, 16165214, 40413035, 80826070]

約数ペア:

[(1, 80826070), (2, 40413035), (5, 16165214), (10, 8082607), (13, 6217390), (26, 3108695), (65, 1243478), (130, 621739)]