9980440

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4229}}^1$

素因数の和:4299

約数の個数: 32

約数和(自身を含む): 22842000

約数和(自身を除く): 12861560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 4229, 8458, 16916, 21145, 33832, 42290, 84580, 169160, 249511, 499022, 998044, 1247555, 1996088, 2495110, 4990220, 9980440]

約数ペア:

[(1, 9980440), (2, 4990220), (4, 2495110), (5, 1996088), (8, 1247555), (10, 998044), (20, 499022), (40, 249511), (59, 169160), (118, 84580), (236, 42290), (295, 33832), (472, 21145), (590, 16916), (1180, 8458), (2360, 4229)]