15764720

素因数分解:

$2^4\times 5^1\times {\mathrm{197059}}^1$

素因数の和:197072

約数の個数: 20

約数和(自身を含む): 36653160

約数和(自身を除く): 20888440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197059, 394118, 788236, 985295, 1576472, 1970590, 3152944, 3941180, 7882360, 15764720]

約数ペア:

[(1, 15764720), (2, 7882360), (4, 3941180), (5, 3152944), (8, 1970590), (10, 1576472), (16, 985295), (20, 788236), (40, 394118), (80, 197059)]