64537340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{460981}}^1$

素因数の和:460997

約数の個数: 24

約数和(自身を含む): 154889952

約数和(自身を除く): 90352612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 460981, 921962, 1843924, 2304905, 3226867, 4609810, 6453734, 9219620, 12907468, 16134335, 32268670, 64537340]

約数ペア:

[(1, 64537340), (2, 32268670), (4, 16134335), (5, 12907468), (7, 9219620), (10, 6453734), (14, 4609810), (20, 3226867), (28, 2304905), (35, 1843924), (70, 921962), (140, 460981)]