22138840

素因数分解:

$2^3\times 5^1\times {\mathrm{553471}}^1$

素因数の和:553482

約数の個数: 16

約数和(自身を含む): 49812480

約数和(自身を除く): 27673640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 553471, 1106942, 2213884, 2767355, 4427768, 5534710, 11069420, 22138840]

約数ペア:

[(1, 22138840), (2, 11069420), (4, 5534710), (5, 4427768), (8, 2767355), (10, 2213884), (20, 1106942), (40, 553471)]