204025540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{4021}}^1$

素因数の和:4132

約数の個数: 48

約数和(自身を含む): 445959360

約数和(自身を除く): 241933820

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 172, 215, 236, 295, 430, 590, 860, 1180, 2537, 4021, 5074, 8042, 10148, 12685, 16084, 20105, 25370, 40210, 50740, 80420, 172903, 237239, 345806, 474478, 691612, 864515, 948956, 1186195, 1729030, 2372390, 3458060, 4744780, 10201277, 20402554, 40805108, 51006385, 102012770, 204025540]

約数ペア:

[(1, 204025540), (2, 102012770), (4, 51006385), (5, 40805108), (10, 20402554), (20, 10201277), (43, 4744780), (59, 3458060), (86, 2372390), (118, 1729030), (172, 1186195), (215, 948956), (236, 864515), (295, 691612), (430, 474478), (590, 345806), (860, 237239), (1180, 172903), (2537, 80420), (4021, 50740), (5074, 40210), (8042, 25370), (10148, 20105), (12685, 16084)]