72771640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23029}}^1$

素因数の和:23119

約数の個数: 32

約数和(自身を含む): 165816000

約数和(自身を除く): 93044360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 23029, 46058, 92116, 115145, 184232, 230290, 460580, 921160, 1819291, 3638582, 7277164, 9096455, 14554328, 18192910, 36385820, 72771640]

約数ペア:

[(1, 72771640), (2, 36385820), (4, 18192910), (5, 14554328), (8, 9096455), (10, 7277164), (20, 3638582), (40, 1819291), (79, 921160), (158, 460580), (316, 230290), (395, 184232), (632, 115145), (790, 92116), (1580, 46058), (3160, 23029)]