55442920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{106621}}^1$

素因数の和:106645

約数の個数: 32

約数和(自身を含む): 134343720

約数和(自身を除く): 78900800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 106621, 213242, 426484, 533105, 852968, 1066210, 1386073, 2132420, 2772146, 4264840, 5544292, 6930365, 11088584, 13860730, 27721460, 55442920]

約数ペア:

[(1, 55442920), (2, 27721460), (4, 13860730), (5, 11088584), (8, 6930365), (10, 5544292), (13, 4264840), (20, 2772146), (26, 2132420), (40, 1386073), (52, 1066210), (65, 852968), (104, 533105), (130, 426484), (260, 213242), (520, 106621)]