40384280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21481}}^1$

素因数の和:21539

約数の個数: 32

約数和(自身を含む): 92802240

約数和(自身を除く): 52417960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 21481, 42962, 85924, 107405, 171848, 214810, 429620, 859240, 1009607, 2019214, 4038428, 5048035, 8076856, 10096070, 20192140, 40384280]

約数ペア:

[(1, 40384280), (2, 20192140), (4, 10096070), (5, 8076856), (8, 5048035), (10, 4038428), (20, 2019214), (40, 1009607), (47, 859240), (94, 429620), (188, 214810), (235, 171848), (376, 107405), (470, 85924), (940, 42962), (1880, 21481)]