64117340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457981}}^1$

素因数の和:457997

約数の個数: 24

約数和(自身を含む): 153881952

約数和(自身を除く): 89764612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457981, 915962, 1831924, 2289905, 3205867, 4579810, 6411734, 9159620, 12823468, 16029335, 32058670, 64117340]

約数ペア:

[(1, 64117340), (2, 32058670), (4, 16029335), (5, 12823468), (7, 9159620), (10, 6411734), (14, 4579810), (20, 3205867), (28, 2289905), (35, 1831924), (70, 915962), (140, 457981)]