38893420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47431}}^1$

素因数の和:47481

約数の個数: 24

約数和(自身を含む): 83670048

約数和(自身を除く): 44776628

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 47431, 94862, 189724, 237155, 474310, 948620, 1944671, 3889342, 7778684, 9723355, 19446710, 38893420]

約数ペア:

[(1, 38893420), (2, 19446710), (4, 9723355), (5, 7778684), (10, 3889342), (20, 1944671), (41, 948620), (82, 474310), (164, 237155), (205, 189724), (410, 94862), (820, 47431)]