55115560

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1699}}^1$

素因数の和:2521

約数の個数: 32

約数和(自身を含む): 124236000

約数和(自身を除く): 69120440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 1699, 3244, 3398, 4055, 6488, 6796, 8110, 8495, 13592, 16220, 16990, 32440, 33980, 67960, 1377889, 2755778, 5511556, 6889445, 11023112, 13778890, 27557780, 55115560]

約数ペア:

[(1, 55115560), (2, 27557780), (4, 13778890), (5, 11023112), (8, 6889445), (10, 5511556), (20, 2755778), (40, 1377889), (811, 67960), (1622, 33980), (1699, 32440), (3244, 16990), (3398, 16220), (4055, 13592), (6488, 8495), (6796, 8110)]