15960920

素因数分解:

$2^3\times 5^1\times {\mathrm{399023}}^1$

素因数の和:399034

約数の個数: 16

約数和(自身を含む): 35912160

約数和(自身を除く): 19951240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 399023, 798046, 1596092, 1995115, 3192184, 3990230, 7980460, 15960920]

約数ペア:

[(1, 15960920), (2, 7980460), (4, 3990230), (5, 3192184), (8, 1995115), (10, 1596092), (20, 798046), (40, 399023)]