56263220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{216397}}^1$

素因数の和:216419

約数の個数: 24

約数和(自身を含む): 127242024

約数和(自身を除く): 70978804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 216397, 432794, 865588, 1081985, 2163970, 2813161, 4327940, 5626322, 11252644, 14065805, 28131610, 56263220]

約数ペア:

[(1, 56263220), (2, 28131610), (4, 14065805), (5, 11252644), (10, 5626322), (13, 4327940), (20, 2813161), (26, 2163970), (52, 1081985), (65, 865588), (130, 432794), (260, 216397)]