87662920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53453}}^1$

素因数の和:53505

約数の個数: 32

約数和(自身を含む): 202056120

約数和(自身を除く): 114393200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 53453, 106906, 213812, 267265, 427624, 534530, 1069060, 2138120, 2191573, 4383146, 8766292, 10957865, 17532584, 21915730, 43831460, 87662920]

約数ペア:

[(1, 87662920), (2, 43831460), (4, 21915730), (5, 17532584), (8, 10957865), (10, 8766292), (20, 4383146), (40, 2191573), (41, 2138120), (82, 1069060), (164, 534530), (205, 427624), (328, 267265), (410, 213812), (820, 106906), (1640, 53453)]