522079280

素因数分解:

$2^4\times 5^1\times {\mathrm{6525991}}^1$

素因数の和:6526004

約数の個数: 20

約数和(自身を含む): 1213834512

約数和(自身を除く): 691755232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6525991, 13051982, 26103964, 32629955, 52207928, 65259910, 104415856, 130519820, 261039640, 522079280]

約数ペア:

[(1, 522079280), (2, 261039640), (4, 130519820), (5, 104415856), (8, 65259910), (10, 52207928), (16, 32629955), (20, 26103964), (40, 13051982), (80, 6525991)]