199832020

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{55819}}^1$

素因数の和:56007

約数の個数: 24

約数和(自身を含む): 421999200

約数和(自身を除く): 222167180

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 55819, 111638, 223276, 279095, 558190, 1116380, 9991601, 19983202, 39966404, 49958005, 99916010, 199832020]

約数ペア:

[(1, 199832020), (2, 99916010), (4, 49958005), (5, 39966404), (10, 19983202), (20, 9991601), (179, 1116380), (358, 558190), (716, 279095), (895, 223276), (1790, 111638), (3580, 55819)]