25456040

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6301}}^1$

素因数の和:6413

約数の個数: 32

約数和(自身を含む): 57852360

約数和(自身を除く): 32396320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 6301, 12602, 25204, 31505, 50408, 63010, 126020, 252040, 636401, 1272802, 2545604, 3182005, 5091208, 6364010, 12728020, 25456040]

約数ペア:

[(1, 25456040), (2, 12728020), (4, 6364010), (5, 5091208), (8, 3182005), (10, 2545604), (20, 1272802), (40, 636401), (101, 252040), (202, 126020), (404, 63010), (505, 50408), (808, 31505), (1010, 25204), (2020, 12602), (4040, 6301)]