15606520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3863}}^1$

素因数の和:3975

約数の個数: 32

約数和(自身を含む): 35471520

約数和(自身を除く): 19865000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 3863, 4040, 7726, 15452, 19315, 30904, 38630, 77260, 154520, 390163, 780326, 1560652, 1950815, 3121304, 3901630, 7803260, 15606520]

約数ペア:

[(1, 15606520), (2, 7803260), (4, 3901630), (5, 3121304), (8, 1950815), (10, 1560652), (20, 780326), (40, 390163), (101, 154520), (202, 77260), (404, 38630), (505, 30904), (808, 19315), (1010, 15452), (2020, 7726), (3863, 4040)]