51709900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1621}}^1$

素因数の和:1675

約数の個数: 72

約数和(自身を含む): 126710640

約数和(自身を除く): 75000740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1450, 1595, 1621, 2900, 3190, 3242, 6380, 6484, 7975, 8105, 15950, 16210, 17831, 31900, 32420, 35662, 40525, 47009, 71324, 81050, 89155, 94018, 162100, 178310, 188036, 235045, 356620, 445775, 470090, 517099, 891550, 940180, 1034198, 1175225, 1783100, 2068396, 2350450, 2585495, 4700900, 5170990, 10341980, 12927475, 25854950, 51709900]

約数ペア:

[(1, 51709900), (2, 25854950), (4, 12927475), (5, 10341980), (10, 5170990), (11, 4700900), (20, 2585495), (22, 2350450), (25, 2068396), (29, 1783100), (44, 1175225), (50, 1034198), (55, 940180), (58, 891550), (100, 517099), (110, 470090), (116, 445775), (145, 356620), (220, 235045), (275, 188036), (290, 178310), (319, 162100), (550, 94018), (580, 89155), (638, 81050), (725, 71324), (1100, 47009), (1276, 40525), (1450, 35662), (1595, 32420), (1621, 31900), (2900, 17831), (3190, 16210), (3242, 15950), (6380, 8105), (6484, 7975)]