15402740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10847}}^1$

素因数の和:10927

約数の個数: 24

約数和(自身を含む): 32804352

約数和(自身を除く): 17401612

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 10847, 21694, 43388, 54235, 108470, 216940, 770137, 1540274, 3080548, 3850685, 7701370, 15402740]

約数ペア:

[(1, 15402740), (2, 7701370), (4, 3850685), (5, 3080548), (10, 1540274), (20, 770137), (71, 216940), (142, 108470), (284, 54235), (355, 43388), (710, 21694), (1420, 10847)]