13306520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3109}}^1$

素因数の和:3227

約数の個数: 32

約数和(自身を含む): 30229200

約数和(自身を除く): 16922680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 3109, 4280, 6218, 12436, 15545, 24872, 31090, 62180, 124360, 332663, 665326, 1330652, 1663315, 2661304, 3326630, 6653260, 13306520]

約数ペア:

[(1, 13306520), (2, 6653260), (4, 3326630), (5, 2661304), (8, 1663315), (10, 1330652), (20, 665326), (40, 332663), (107, 124360), (214, 62180), (428, 31090), (535, 24872), (856, 15545), (1070, 12436), (2140, 6218), (3109, 4280)]