55999000

素因数分解:

$2^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1981

約数の個数: 64

約数和(自身を含む): 135626400

約数和(自身を除く): 79627400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 290, 500, 580, 725, 1000, 1160, 1450, 1931, 2900, 3625, 3862, 5800, 7250, 7724, 9655, 14500, 15448, 19310, 29000, 38620, 48275, 55999, 77240, 96550, 111998, 193100, 223996, 241375, 279995, 386200, 447992, 482750, 559990, 965500, 1119980, 1399975, 1931000, 2239960, 2799950, 5599900, 6999875, 11199800, 13999750, 27999500, 55999000]

約数ペア:

[(1, 55999000), (2, 27999500), (4, 13999750), (5, 11199800), (8, 6999875), (10, 5599900), (20, 2799950), (25, 2239960), (29, 1931000), (40, 1399975), (50, 1119980), (58, 965500), (100, 559990), (116, 482750), (125, 447992), (145, 386200), (200, 279995), (232, 241375), (250, 223996), (290, 193100), (500, 111998), (580, 96550), (725, 77240), (1000, 55999), (1160, 48275), (1450, 38620), (1931, 29000), (2900, 19310), (3625, 15448), (3862, 14500), (5800, 9655), (7250, 7724)]