205674440

素因数分解:

$2^3\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{4391}}^1$

素因数の和:5573

約数の個数: 32

約数和(自身を含む): 463268160

約数和(自身を除く): 257593720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1171, 2342, 4391, 4684, 5855, 8782, 9368, 11710, 17564, 21955, 23420, 35128, 43910, 46840, 87820, 175640, 5141861, 10283722, 20567444, 25709305, 41134888, 51418610, 102837220, 205674440]

約数ペア:

[(1, 205674440), (2, 102837220), (4, 51418610), (5, 41134888), (8, 25709305), (10, 20567444), (20, 10283722), (40, 5141861), (1171, 175640), (2342, 87820), (4391, 46840), (4684, 43910), (5855, 35128), (8782, 23420), (9368, 21955), (11710, 17564)]