15140560

素因数分解:

$2^4\times 5^1\times {\mathrm{189257}}^1$

素因数の和:189270

約数の個数: 20

約数和(自身を含む): 35201988

約数和(自身を除く): 20061428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 189257, 378514, 757028, 946285, 1514056, 1892570, 3028112, 3785140, 7570280, 15140560]

約数ペア:

[(1, 15140560), (2, 7570280), (4, 3785140), (5, 3028112), (8, 1892570), (10, 1514056), (16, 946285), (20, 757028), (40, 378514), (80, 189257)]