78000200

素因数分解:

$2^3\times 5^2\times {\mathrm{390001}}^1$

素因数の和:390017

約数の個数: 24

約数和(自身を含む): 181350930

約数和(自身を除く): 103350730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 390001, 780002, 1560004, 1950005, 3120008, 3900010, 7800020, 9750025, 15600040, 19500050, 39000100, 78000200]

約数ペア:

[(1, 78000200), (2, 39000100), (4, 19500050), (5, 15600040), (8, 9750025), (10, 7800020), (20, 3900010), (25, 3120008), (40, 1950005), (50, 1560004), (100, 780002), (200, 390001)]