123627640

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{6763}}^1$

素因数の和:7231

約数の個数: 32

約数和(自身を含む): 278812080

約数和(自身を除く): 155184440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4570, 6763, 9140, 13526, 18280, 27052, 33815, 54104, 67630, 135260, 270520, 3090691, 6181382, 12362764, 15453455, 24725528, 30906910, 61813820, 123627640]

約数ペア:

[(1, 123627640), (2, 61813820), (4, 30906910), (5, 24725528), (8, 15453455), (10, 12362764), (20, 6181382), (40, 3090691), (457, 270520), (914, 135260), (1828, 67630), (2285, 54104), (3656, 33815), (4570, 27052), (6763, 18280), (9140, 13526)]