38384020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27031}}^1$

素因数の和:27111

約数の個数: 24

約数和(自身を含む): 81744768

約数和(自身を除く): 43360748

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 27031, 54062, 108124, 135155, 270310, 540620, 1919201, 3838402, 7676804, 9596005, 19192010, 38384020]

約数ペア:

[(1, 38384020), (2, 19192010), (4, 9596005), (5, 7676804), (10, 3838402), (20, 1919201), (71, 540620), (142, 270310), (284, 135155), (355, 108124), (710, 54062), (1420, 27031)]