82280560

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6551}}^1$

素因数の和:6721

約数の個数: 40

約数和(自身を含む): 192550176

約数和(自身を除く): 110269616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 6551, 12560, 13102, 26204, 32755, 52408, 65510, 104816, 131020, 262040, 524080, 1028507, 2057014, 4114028, 5142535, 8228056, 10285070, 16456112, 20570140, 41140280, 82280560]

約数ペア:

[(1, 82280560), (2, 41140280), (4, 20570140), (5, 16456112), (8, 10285070), (10, 8228056), (16, 5142535), (20, 4114028), (40, 2057014), (80, 1028507), (157, 524080), (314, 262040), (628, 131020), (785, 104816), (1256, 65510), (1570, 52408), (2512, 32755), (3140, 26204), (6280, 13102), (6551, 12560)]