31825480

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1741}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 71805240

約数和(自身を除く): 39979760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1741, 1828, 2285, 3482, 3656, 4570, 6964, 8705, 9140, 13928, 17410, 18280, 34820, 69640, 795637, 1591274, 3182548, 3978185, 6365096, 7956370, 15912740, 31825480]

約数ペア:

[(1, 31825480), (2, 15912740), (4, 7956370), (5, 6365096), (8, 3978185), (10, 3182548), (20, 1591274), (40, 795637), (457, 69640), (914, 34820), (1741, 18280), (1828, 17410), (2285, 13928), (3482, 9140), (3656, 8705), (4570, 6964)]