64824640

素因数分解:

$2^6\times 5^1\times {\mathrm{202577}}^1$

素因数の和:202594

約数の個数: 28

約数和(自身を含む): 154364436

約数和(自身を除く): 89539796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 202577, 405154, 810308, 1012885, 1620616, 2025770, 3241232, 4051540, 6482464, 8103080, 12964928, 16206160, 32412320, 64824640]

約数ペア:

[(1, 64824640), (2, 32412320), (4, 16206160), (5, 12964928), (8, 8103080), (10, 6482464), (16, 4051540), (20, 3241232), (32, 2025770), (40, 1620616), (64, 1012885), (80, 810308), (160, 405154), (320, 202577)]