28366480

素因数分解:

$2^4\times 5^1\times {\mathrm{354581}}^1$

素因数の和:354594

約数の個数: 20

約数和(自身を含む): 65952252

約数和(自身を除く): 37585772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 354581, 709162, 1418324, 1772905, 2836648, 3545810, 5673296, 7091620, 14183240, 28366480]

約数ペア:

[(1, 28366480), (2, 14183240), (4, 7091620), (5, 5673296), (8, 3545810), (10, 2836648), (16, 1772905), (20, 1418324), (40, 709162), (80, 354581)]