81967856

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{124951}}^1$

素因数の和:125000

約数の個数: 20

約数和(自身を含む): 162687504

約数和(自身を除く): 80719648

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 124951, 249902, 499804, 999608, 1999216, 5122991, 10245982, 20491964, 40983928, 81967856]

約数ペア:

[(1, 81967856), (2, 40983928), (4, 20491964), (8, 10245982), (16, 5122991), (41, 1999216), (82, 999608), (164, 499804), (328, 249902), (656, 124951)]