25451240

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2803}}^1$

素因数の和:3041

約数の個数: 32

約数和(自身を含む): 57538080

約数和(自身を除く): 32086840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 2803, 4540, 5606, 9080, 11212, 14015, 22424, 28030, 56060, 112120, 636281, 1272562, 2545124, 3181405, 5090248, 6362810, 12725620, 25451240]

約数ペア:

[(1, 25451240), (2, 12725620), (4, 6362810), (5, 5090248), (8, 3181405), (10, 2545124), (20, 1272562), (40, 636281), (227, 112120), (454, 56060), (908, 28030), (1135, 22424), (1816, 14015), (2270, 11212), (2803, 9080), (4540, 5606)]