161138800

素因数分解:

$2^4\times 5^2\times {\mathrm{402847}}^1$

素因数の和:402865

約数の個数: 30

約数和(自身を含む): 387136928

約数和(自身を除く): 225998128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 402847, 805694, 1611388, 2014235, 3222776, 4028470, 6445552, 8056940, 10071175, 16113880, 20142350, 32227760, 40284700, 80569400, 161138800]

約数ペア:

[(1, 161138800), (2, 80569400), (4, 40284700), (5, 32227760), (8, 20142350), (10, 16113880), (16, 10071175), (20, 8056940), (25, 6445552), (40, 4028470), (50, 3222776), (80, 2014235), (100, 1611388), (200, 805694), (400, 402847)]