131742680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{30781}}^1$

素因数の和:30899

約数の個数: 32

約数和(自身を含む): 299201040

約数和(自身を除く): 167458360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 30781, 61562, 123124, 153905, 246248, 307810, 615620, 1231240, 3293567, 6587134, 13174268, 16467835, 26348536, 32935670, 65871340, 131742680]

約数ペア:

[(1, 131742680), (2, 65871340), (4, 32935670), (5, 26348536), (8, 16467835), (10, 13174268), (20, 6587134), (40, 3293567), (107, 1231240), (214, 615620), (428, 307810), (535, 246248), (856, 153905), (1070, 123124), (2140, 61562), (4280, 30781)]