80869640

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{8677}}^1$

素因数の和:8921

約数の個数: 32

約数和(自身を含む): 182758680

約数和(自身を除く): 101889040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 8677, 9320, 17354, 34708, 43385, 69416, 86770, 173540, 347080, 2021741, 4043482, 8086964, 10108705, 16173928, 20217410, 40434820, 80869640]

約数ペア:

[(1, 80869640), (2, 40434820), (4, 20217410), (5, 16173928), (8, 10108705), (10, 8086964), (20, 4043482), (40, 2021741), (233, 347080), (466, 173540), (932, 86770), (1165, 69416), (1864, 43385), (2330, 34708), (4660, 17354), (8677, 9320)]