55104920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105971}}^1$

素因数の和:105995

約数の個数: 32

約数和(自身を含む): 133524720

約数和(自身を除く): 78419800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 105971, 211942, 423884, 529855, 847768, 1059710, 1377623, 2119420, 2755246, 4238840, 5510492, 6888115, 11020984, 13776230, 27552460, 55104920]

約数ペア:

[(1, 55104920), (2, 27552460), (4, 13776230), (5, 11020984), (8, 6888115), (10, 5510492), (13, 4238840), (20, 2755246), (26, 2119420), (40, 1377623), (52, 1059710), (65, 847768), (104, 529855), (130, 423884), (260, 211942), (520, 105971)]