40937680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1783}}^1$

素因数の和:1844

約数の個数: 80

約数和(自身を含む): 111492864

約数和(自身を除く): 70555184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 1783, 2296, 2870, 3280, 3566, 4592, 5740, 7132, 8915, 11480, 12481, 14264, 17830, 22960, 24962, 28528, 35660, 49924, 62405, 71320, 73103, 99848, 124810, 142640, 146206, 199696, 249620, 292412, 365515, 499240, 511721, 584824, 731030, 998480, 1023442, 1169648, 1462060, 2046884, 2558605, 2924120, 4093768, 5117210, 5848240, 8187536, 10234420, 20468840, 40937680]

約数ペア:

[(1, 40937680), (2, 20468840), (4, 10234420), (5, 8187536), (7, 5848240), (8, 5117210), (10, 4093768), (14, 2924120), (16, 2558605), (20, 2046884), (28, 1462060), (35, 1169648), (40, 1023442), (41, 998480), (56, 731030), (70, 584824), (80, 511721), (82, 499240), (112, 365515), (140, 292412), (164, 249620), (205, 199696), (280, 146206), (287, 142640), (328, 124810), (410, 99848), (560, 73103), (574, 71320), (656, 62405), (820, 49924), (1148, 35660), (1435, 28528), (1640, 24962), (1783, 22960), (2296, 17830), (2870, 14264), (3280, 12481), (3566, 11480), (4592, 8915), (5740, 7132)]