123937640

素因数分解:

$2^3\times 5^1\times {\mathrm{877}}^1\times {\mathrm{3533}}^1$

素因数の和:4421

約数の個数: 32

約数和(自身を含む): 279256680

約数和(自身を除く): 155319040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 877, 1754, 3508, 3533, 4385, 7016, 7066, 8770, 14132, 17540, 17665, 28264, 35080, 35330, 70660, 141320, 3098441, 6196882, 12393764, 15492205, 24787528, 30984410, 61968820, 123937640]

約数ペア:

[(1, 123937640), (2, 61968820), (4, 30984410), (5, 24787528), (8, 15492205), (10, 12393764), (20, 6196882), (40, 3098441), (877, 141320), (1754, 70660), (3508, 35330), (3533, 35080), (4385, 28264), (7016, 17665), (7066, 17540), (8770, 14132)]