127519340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{490459}}^1$

素因数の和:490481

約数の個数: 24

約数和(自身を含む): 288390480

約数和(自身を除く): 160871140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 490459, 980918, 1961836, 2452295, 4904590, 6375967, 9809180, 12751934, 25503868, 31879835, 63759670, 127519340]

約数ペア:

[(1, 127519340), (2, 63759670), (4, 31879835), (5, 25503868), (10, 12751934), (13, 9809180), (20, 6375967), (26, 4904590), (52, 2452295), (65, 1961836), (130, 980918), (260, 490459)]