205574140

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{5407}}^1$

素因数の和:7317

約数の個数: 24

約数和(自身を含む): 432012672

約数和(自身を除く): 226438532

約数列:

[1, 2, 4, 5, 10, 20, 1901, 3802, 5407, 7604, 9505, 10814, 19010, 21628, 27035, 38020, 54070, 108140, 10278707, 20557414, 41114828, 51393535, 102787070, 205574140]

約数ペア:

[(1, 205574140), (2, 102787070), (4, 51393535), (5, 41114828), (10, 20557414), (20, 10278707), (1901, 108140), (3802, 54070), (5407, 38020), (7604, 27035), (9505, 21628), (10814, 19010)]