13281560

素因数分解:

$2^3\times 5^1\times {\mathrm{332039}}^1$

素因数の和:332050

約数の個数: 16

約数和(自身を含む): 29883600

約数和(自身を除く): 16602040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 332039, 664078, 1328156, 1660195, 2656312, 3320390, 6640780, 13281560]

約数ペア:

[(1, 13281560), (2, 6640780), (4, 3320390), (5, 2656312), (8, 1660195), (10, 1328156), (20, 664078), (40, 332039)]