157047560

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{15277}}^1$

素因数の和:15545

約数の個数: 32

約数和(自身を含む): 354755160

約数和(自身を除く): 197707600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 15277, 30554, 61108, 76385, 122216, 152770, 305540, 611080, 3926189, 7852378, 15704756, 19630945, 31409512, 39261890, 78523780, 157047560]

約数ペア:

[(1, 157047560), (2, 78523780), (4, 39261890), (5, 31409512), (8, 19630945), (10, 15704756), (20, 7852378), (40, 3926189), (257, 611080), (514, 305540), (1028, 152770), (1285, 122216), (2056, 76385), (2570, 61108), (5140, 30554), (10280, 15277)]