53120720

素因数分解:

$2^4\times 5^1\times {\mathrm{664009}}^1$

素因数の和:664022

約数の個数: 20

約数和(自身を含む): 123505860

約数和(自身を除く): 70385140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 664009, 1328018, 2656036, 3320045, 5312072, 6640090, 10624144, 13280180, 26560360, 53120720]

約数ペア:

[(1, 53120720), (2, 26560360), (4, 13280180), (5, 10624144), (8, 6640090), (10, 5312072), (16, 3320045), (20, 2656036), (40, 1328018), (80, 664009)]