31315880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{34039}}^1$

素因数の和:34073

約数の個数: 32

約数和(自身を含む): 73526400

約数和(自身を除く): 42210520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 34039, 68078, 136156, 170195, 272312, 340390, 680780, 782897, 1361560, 1565794, 3131588, 3914485, 6263176, 7828970, 15657940, 31315880]

約数ペア:

[(1, 31315880), (2, 15657940), (4, 7828970), (5, 6263176), (8, 3914485), (10, 3131588), (20, 1565794), (23, 1361560), (40, 782897), (46, 680780), (92, 340390), (115, 272312), (184, 170195), (230, 136156), (460, 68078), (920, 34039)]