39581240

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5023}}^1$

素因数の和:5231

約数の個数: 32

約数和(自身を含む): 89527680

約数和(自身を除く): 49946440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 5023, 7880, 10046, 20092, 25115, 40184, 50230, 100460, 200920, 989531, 1979062, 3958124, 4947655, 7916248, 9895310, 19790620, 39581240]

約数ペア:

[(1, 39581240), (2, 19790620), (4, 9895310), (5, 7916248), (8, 4947655), (10, 3958124), (20, 1979062), (40, 989531), (197, 200920), (394, 100460), (788, 50230), (985, 40184), (1576, 25115), (1970, 20092), (3940, 10046), (5023, 7880)]