201438320

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{22283}}^1$

素因数の和:22409

約数の個数: 40

約数和(自身を含む): 472509936

約数和(自身を除く): 271071616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 22283, 44566, 89132, 111415, 178264, 222830, 356528, 445660, 891320, 1782640, 2517979, 5035958, 10071916, 12589895, 20143832, 25179790, 40287664, 50359580, 100719160, 201438320]

約数ペア:

[(1, 201438320), (2, 100719160), (4, 50359580), (5, 40287664), (8, 25179790), (10, 20143832), (16, 12589895), (20, 10071916), (40, 5035958), (80, 2517979), (113, 1782640), (226, 891320), (452, 445660), (565, 356528), (904, 222830), (1130, 178264), (1808, 111415), (2260, 89132), (4520, 44566), (9040, 22283)]