64272620

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{6971}}^1$

素因数の和:7441

約数の個数: 24

約数和(自身を含む): 135284688

約数和(自身を除く): 71012068

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 6971, 9220, 13942, 27884, 34855, 69710, 139420, 3213631, 6427262, 12854524, 16068155, 32136310, 64272620]

約数ペア:

[(1, 64272620), (2, 32136310), (4, 16068155), (5, 12854524), (10, 6427262), (20, 3213631), (461, 139420), (922, 69710), (1844, 34855), (2305, 27884), (4610, 13942), (6971, 9220)]