20168558800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{8999}}^1$

素因数の和:9461

約数の個数: 120

約数和(自身を含む): 52309152000

約数和(自身を除く): 32140593200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 431, 520, 650, 862, 1040, 1300, 1724, 2155, 2600, 3448, 4310, 5200, 5603, 6896, 8620, 8999, 10775, 11206, 17240, 17998, 21550, 22412, 28015, 34480, 35996, 43100, 44824, 44995, 56030, 71992, 86200, 89648, 89990, 112060, 116987, 140075, 143984, 172400, 179980, 224120, 224975, 233974, 280150, 359960, 448240, 449950, 467948, 560300, 584935, 719920, 899900, 935896, 1120600, 1169870, 1799800, 1871792, 2241200, 2339740, 2924675, 3599600, 3878569, 4679480, 5849350, 7757138, 9358960, 11698700, 15514276, 19392845, 23397400, 31028552, 38785690, 46794800, 50421397, 62057104, 77571380, 96964225, 100842794, 155142760, 193928450, 201685588, 252106985, 310285520, 387856900, 403371176, 504213970, 775713800, 806742352, 1008427940, 1260534925, 1551427600, 2016855880, 2521069850, 4033711760, 5042139700, 10084279400, 20168558800]

約数ペア:

[(1, 20168558800), (2, 10084279400), (4, 5042139700), (5, 4033711760), (8, 2521069850), (10, 2016855880), (13, 1551427600), (16, 1260534925), (20, 1008427940), (25, 806742352), (26, 775713800), (40, 504213970), (50, 403371176), (52, 387856900), (65, 310285520), (80, 252106985), (100, 201685588), (104, 193928450), (130, 155142760), (200, 100842794), (208, 96964225), (260, 77571380), (325, 62057104), (400, 50421397), (431, 46794800), (520, 38785690), (650, 31028552), (862, 23397400), (1040, 19392845), (1300, 15514276), (1724, 11698700), (2155, 9358960), (2600, 7757138), (3448, 5849350), (4310, 4679480), (5200, 3878569), (5603, 3599600), (6896, 2924675), (8620, 2339740), (8999, 2241200), (10775, 1871792), (11206, 1799800), (17240, 1169870), (17998, 1120600), (21550, 935896), (22412, 899900), (28015, 719920), (34480, 584935), (35996, 560300), (43100, 467948), (44824, 449950), (44995, 448240), (56030, 359960), (71992, 280150), (86200, 233974), (89648, 224975), (89990, 224120), (112060, 179980), (116987, 172400), (140075, 143984)]