254157080

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{12149}}^1$

素因数の和:12683

約数の個数: 32

約数和(自身を含む): 572994000

約数和(自身を除く): 318836920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 10460, 12149, 20920, 24298, 48596, 60745, 97192, 121490, 242980, 485960, 6353927, 12707854, 25415708, 31769635, 50831416, 63539270, 127078540, 254157080]

約数ペア:

[(1, 254157080), (2, 127078540), (4, 63539270), (5, 50831416), (8, 31769635), (10, 25415708), (20, 12707854), (40, 6353927), (523, 485960), (1046, 242980), (2092, 121490), (2615, 97192), (4184, 60745), (5230, 48596), (10460, 24298), (12149, 20920)]