128818000

素因数分解:

$2^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2221}}^1$

素因数の和:2273

約数の個数: 80

約数和(自身を含む): 322367760

約数和(自身を除く): 193549760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 290, 400, 464, 500, 580, 725, 1000, 1160, 1450, 2000, 2221, 2320, 2900, 3625, 4442, 5800, 7250, 8884, 11105, 11600, 14500, 17768, 22210, 29000, 35536, 44420, 55525, 58000, 64409, 88840, 111050, 128818, 177680, 222100, 257636, 277625, 322045, 444200, 515272, 555250, 644090, 888400, 1030544, 1110500, 1288180, 1610225, 2221000, 2576360, 3220450, 4442000, 5152720, 6440900, 8051125, 12881800, 16102250, 25763600, 32204500, 64409000, 128818000]

約数ペア:

[(1, 128818000), (2, 64409000), (4, 32204500), (5, 25763600), (8, 16102250), (10, 12881800), (16, 8051125), (20, 6440900), (25, 5152720), (29, 4442000), (40, 3220450), (50, 2576360), (58, 2221000), (80, 1610225), (100, 1288180), (116, 1110500), (125, 1030544), (145, 888400), (200, 644090), (232, 555250), (250, 515272), (290, 444200), (400, 322045), (464, 277625), (500, 257636), (580, 222100), (725, 177680), (1000, 128818), (1160, 111050), (1450, 88840), (2000, 64409), (2221, 58000), (2320, 55525), (2900, 44420), (3625, 35536), (4442, 29000), (5800, 22210), (7250, 17768), (8884, 14500), (11105, 11600)]