125529080

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{12211}}^1$

素因数の和:12479

約数の個数: 32

約数和(自身を含む): 283562640

約数和(自身を除く): 158033560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 12211, 24422, 48844, 61055, 97688, 122110, 244220, 488440, 3138227, 6276454, 12552908, 15691135, 25105816, 31382270, 62764540, 125529080]

約数ペア:

[(1, 125529080), (2, 62764540), (4, 31382270), (5, 25105816), (8, 15691135), (10, 12552908), (20, 6276454), (40, 3138227), (257, 488440), (514, 244220), (1028, 122110), (1285, 97688), (2056, 61055), (2570, 48844), (5140, 24422), (10280, 12211)]