140940920

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{6763}}^1$

素因数の和:7295

約数の個数: 32

約数和(自身を含む): 317772720

約数和(自身を除く): 176831800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 6763, 10420, 13526, 20840, 27052, 33815, 54104, 67630, 135260, 270520, 3523523, 7047046, 14094092, 17617615, 28188184, 35235230, 70470460, 140940920]

約数ペア:

[(1, 140940920), (2, 70470460), (4, 35235230), (5, 28188184), (8, 17617615), (10, 14094092), (20, 7047046), (40, 3523523), (521, 270520), (1042, 135260), (2084, 67630), (2605, 54104), (4168, 33815), (5210, 27052), (6763, 20840), (10420, 13526)]