204932920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{49741}}^1$

素因数の和:49855

約数の個数: 32

約数和(自身を含む): 465585120

約数和(自身を除く): 260652200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 49741, 99482, 198964, 248705, 397928, 497410, 994820, 1989640, 5123323, 10246646, 20493292, 25616615, 40986584, 51233230, 102466460, 204932920]

約数ペア:

[(1, 204932920), (2, 102466460), (4, 51233230), (5, 40986584), (8, 25616615), (10, 20493292), (20, 10246646), (40, 5123323), (103, 1989640), (206, 994820), (412, 497410), (515, 397928), (824, 248705), (1030, 198964), (2060, 99482), (4120, 49741)]