38918020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1531}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 86478336

約数和(自身を除く): 47560316

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 1531, 2542, 3062, 5084, 6124, 6355, 7655, 12710, 15310, 25420, 30620, 47461, 62771, 94922, 125542, 189844, 237305, 251084, 313855, 474610, 627710, 949220, 1255420, 1945901, 3891802, 7783604, 9729505, 19459010, 38918020]

約数ペア:

[(1, 38918020), (2, 19459010), (4, 9729505), (5, 7783604), (10, 3891802), (20, 1945901), (31, 1255420), (41, 949220), (62, 627710), (82, 474610), (124, 313855), (155, 251084), (164, 237305), (205, 189844), (310, 125542), (410, 94922), (620, 62771), (820, 47461), (1271, 30620), (1531, 25420), (2542, 15310), (3062, 12710), (5084, 7655), (6124, 6355)]