31220540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120079}}^1$

素因数の和:120101

約数の個数: 24

約数和(自身を含む): 70607040

約数和(自身を除く): 39386500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 120079, 240158, 480316, 600395, 1200790, 1561027, 2401580, 3122054, 6244108, 7805135, 15610270, 31220540]

約数ペア:

[(1, 31220540), (2, 15610270), (4, 7805135), (5, 6244108), (10, 3122054), (13, 2401580), (20, 1561027), (26, 1200790), (52, 600395), (65, 480316), (130, 240158), (260, 120079)]