496551280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{87421}}^1$

素因数の和:87505

約数の個数: 40

約数和(自身を含む): 1170755424

約数和(自身を除く): 674204144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 87421, 174842, 349684, 437105, 699368, 874210, 1398736, 1748420, 3496840, 6206891, 6993680, 12413782, 24827564, 31034455, 49655128, 62068910, 99310256, 124137820, 248275640, 496551280]

約数ペア:

[(1, 496551280), (2, 248275640), (4, 124137820), (5, 99310256), (8, 62068910), (10, 49655128), (16, 31034455), (20, 24827564), (40, 12413782), (71, 6993680), (80, 6206891), (142, 3496840), (284, 1748420), (355, 1398736), (568, 874210), (710, 699368), (1136, 437105), (1420, 349684), (2840, 174842), (5680, 87421)]