68988440

素因数分解:

$2^3\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{1453}}^1$

素因数の和:2651

約数の個数: 32

約数和(自身を含む): 155461680

約数和(自身を除く): 86473240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1187, 1453, 2374, 2906, 4748, 5812, 5935, 7265, 9496, 11624, 11870, 14530, 23740, 29060, 47480, 58120, 1724711, 3449422, 6898844, 8623555, 13797688, 17247110, 34494220, 68988440]

約数ペア:

[(1, 68988440), (2, 34494220), (4, 17247110), (5, 13797688), (8, 8623555), (10, 6898844), (20, 3449422), (40, 1724711), (1187, 58120), (1453, 47480), (2374, 29060), (2906, 23740), (4748, 14530), (5812, 11870), (5935, 11624), (7265, 9496)]