520142020

素因数分解:

$2^2\times 5^1\times {\mathrm{26007101}}^1$

素因数の和:26007110

約数の個数: 12

約数和(自身を含む): 1092298284

約数和(自身を除く): 572156264

約数列:

[1, 2, 4, 5, 10, 20, 26007101, 52014202, 104028404, 130035505, 260071010, 520142020]

約数ペア:

[(1, 520142020), (2, 260071010), (4, 130035505), (5, 104028404), (10, 52014202), (20, 26007101)]