13198040

素因数分解:

$2^3\times 5^1\times {\mathrm{329951}}^1$

素因数の和:329962

約数の個数: 16

約数和(自身を含む): 29695680

約数和(自身を除く): 16497640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 329951, 659902, 1319804, 1649755, 2639608, 3299510, 6599020, 13198040]

約数ペア:

[(1, 13198040), (2, 6599020), (4, 3299510), (5, 2639608), (8, 1649755), (10, 1319804), (20, 659902), (40, 329951)]