87768640

素因数分解:

$2^6\times 5^1\times {\mathrm{274277}}^1$

素因数の和:274294

約数の個数: 28

約数和(自身を含む): 208999836

約数和(自身を除く): 121231196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 274277, 548554, 1097108, 1371385, 2194216, 2742770, 4388432, 5485540, 8776864, 10971080, 17553728, 21942160, 43884320, 87768640]

約数ペア:

[(1, 87768640), (2, 43884320), (4, 21942160), (5, 17553728), (8, 10971080), (10, 8776864), (16, 5485540), (20, 4388432), (32, 2742770), (40, 2194216), (64, 1371385), (80, 1097108), (160, 548554), (320, 274277)]