12984920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24971}}^1$

素因数の和:24995

約数の個数: 32

約数和(自身を含む): 31464720

約数和(自身を除く): 18479800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24971, 49942, 99884, 124855, 199768, 249710, 324623, 499420, 649246, 998840, 1298492, 1623115, 2596984, 3246230, 6492460, 12984920]

約数ペア:

[(1, 12984920), (2, 6492460), (4, 3246230), (5, 2596984), (8, 1623115), (10, 1298492), (13, 998840), (20, 649246), (26, 499420), (40, 324623), (52, 249710), (65, 199768), (104, 124855), (130, 99884), (260, 49942), (520, 24971)]