90546640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{14327}}^1$

素因数の和:14419

約数の個数: 40

約数和(自身を含む): 213200640

約数和(自身を除く): 122654000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 14327, 28654, 57308, 71635, 114616, 143270, 229232, 286540, 573080, 1131833, 1146160, 2263666, 4527332, 5659165, 9054664, 11318330, 18109328, 22636660, 45273320, 90546640]

約数ペア:

[(1, 90546640), (2, 45273320), (4, 22636660), (5, 18109328), (8, 11318330), (10, 9054664), (16, 5659165), (20, 4527332), (40, 2263666), (79, 1146160), (80, 1131833), (158, 573080), (316, 286540), (395, 229232), (632, 143270), (790, 114616), (1264, 71635), (1580, 57308), (3160, 28654), (6320, 14327)]