66392120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{40483}}^1$

素因数の和:40535

約数の個数: 32

約数和(自身を含む): 153029520

約数和(自身を除く): 86637400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 40483, 80966, 161932, 202415, 323864, 404830, 809660, 1619320, 1659803, 3319606, 6639212, 8299015, 13278424, 16598030, 33196060, 66392120]

約数ペア:

[(1, 66392120), (2, 33196060), (4, 16598030), (5, 13278424), (8, 8299015), (10, 6639212), (20, 3319606), (40, 1659803), (41, 1619320), (82, 809660), (164, 404830), (205, 323864), (328, 202415), (410, 161932), (820, 80966), (1640, 40483)]