12464840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7247}}^1$

素因数の和:7301

約数の個数: 32

約数和(自身を含む): 28702080

約数和(自身を除く): 16237240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7247, 14494, 28988, 36235, 57976, 72470, 144940, 289880, 311621, 623242, 1246484, 1558105, 2492968, 3116210, 6232420, 12464840]

約数ペア:

[(1, 12464840), (2, 6232420), (4, 3116210), (5, 2492968), (8, 1558105), (10, 1246484), (20, 623242), (40, 311621), (43, 289880), (86, 144940), (172, 72470), (215, 57976), (344, 36235), (430, 28988), (860, 14494), (1720, 7247)]