204503240

素因数分解:

$2^3\times 5^1\times {\mathrm{5112581}}^1$

素因数の和:5112592

約数の個数: 16

約数和(自身を含む): 460132380

約数和(自身を除く): 255629140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5112581, 10225162, 20450324, 25562905, 40900648, 51125810, 102251620, 204503240]

約数ペア:

[(1, 204503240), (2, 102251620), (4, 51125810), (5, 40900648), (8, 25562905), (10, 20450324), (20, 10225162), (40, 5112581)]