2176202440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{499129}}^1$

素因数の和:499249

約数の個数: 32

約数和(自身を含む): 4941387000

約数和(自身を除く): 2765184560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 499129, 998258, 1996516, 2495645, 3993032, 4991290, 9982580, 19965160, 54405061, 108810122, 217620244, 272025305, 435240488, 544050610, 1088101220, 2176202440]

約数ペア:

[(1, 2176202440), (2, 1088101220), (4, 544050610), (5, 435240488), (8, 272025305), (10, 217620244), (20, 108810122), (40, 54405061), (109, 19965160), (218, 9982580), (436, 4991290), (545, 3993032), (872, 2495645), (1090, 1996516), (2180, 998258), (4360, 499129)]