140518640

素因数分解:

$2^4\times 5^1\times {\mathrm{1756483}}^1$

素因数の和:1756496

約数の個数: 20

約数和(自身を含む): 326706024

約数和(自身を除く): 186187384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1756483, 3512966, 7025932, 8782415, 14051864, 17564830, 28103728, 35129660, 70259320, 140518640]

約数ペア:

[(1, 140518640), (2, 70259320), (4, 35129660), (5, 28103728), (8, 17564830), (10, 14051864), (16, 8782415), (20, 7025932), (40, 3512966), (80, 1756483)]