64711280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{12073}}^1$

素因数の和:12153

約数の個数: 40

約数和(自身を含む): 152711952

約数和(自身を除く): 88000672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 12073, 24146, 48292, 60365, 96584, 120730, 193168, 241460, 482920, 808891, 965840, 1617782, 3235564, 4044455, 6471128, 8088910, 12942256, 16177820, 32355640, 64711280]

約数ペア:

[(1, 64711280), (2, 32355640), (4, 16177820), (5, 12942256), (8, 8088910), (10, 6471128), (16, 4044455), (20, 3235564), (40, 1617782), (67, 965840), (80, 808891), (134, 482920), (268, 241460), (335, 193168), (536, 120730), (670, 96584), (1072, 60365), (1340, 48292), (2680, 24146), (5360, 12073)]