15767120

素因数分解:

$2^4\times 5^1\times {\mathrm{197089}}^1$

素因数の和:197102

約数の個数: 20

約数和(自身を含む): 36658740

約数和(自身を除く): 20891620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197089, 394178, 788356, 985445, 1576712, 1970890, 3153424, 3941780, 7883560, 15767120]

約数ペア:

[(1, 15767120), (2, 7883560), (4, 3941780), (5, 3153424), (8, 1970890), (10, 1576712), (16, 985445), (20, 788356), (40, 394178), (80, 197089)]