5581220

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1559}}^1$

素因数の和:1747

約数の個数: 24

約数和(自身を含む): 11793600

約数和(自身を除く): 6212380

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1559, 1790, 3118, 3580, 6236, 7795, 15590, 31180, 279061, 558122, 1116244, 1395305, 2790610, 5581220]

約数ペア:

[(1, 5581220), (2, 2790610), (4, 1395305), (5, 1116244), (10, 558122), (20, 279061), (179, 31180), (358, 15590), (716, 7795), (895, 6236), (1559, 3580), (1790, 3118)]