580780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 1239840

約数和(自身を除く): 659060

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 409, 710, 818, 1420, 1636, 2045, 4090, 8180, 29039, 58078, 116156, 145195, 290390, 580780]

約数ペア:

[(1, 580780), (2, 290390), (4, 145195), (5, 116156), (10, 58078), (20, 29039), (71, 8180), (142, 4090), (284, 2045), (355, 1636), (409, 1420), (710, 818)]