91457140

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{7247}}^1$

素因数の和:7887

約数の個数: 24

約数和(自身を含む): 192390912

約数和(自身を除く): 100933772

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 7247, 12620, 14494, 28988, 36235, 72470, 144940, 4572857, 9145714, 18291428, 22864285, 45728570, 91457140]

約数ペア:

[(1, 91457140), (2, 45728570), (4, 22864285), (5, 18291428), (10, 9145714), (20, 4572857), (631, 144940), (1262, 72470), (2524, 36235), (3155, 28988), (6310, 14494), (7247, 12620)]