6578650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 13671000

約数和(自身を除く): 7092350

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 290, 325, 349, 377, 650, 698, 725, 754, 1450, 1745, 1885, 3490, 3770, 4537, 8725, 9074, 9425, 10121, 17450, 18850, 20242, 22685, 45370, 50605, 101210, 113425, 131573, 226850, 253025, 263146, 506050, 657865, 1315730, 3289325, 6578650]

約数ペア:

[(1, 6578650), (2, 3289325), (5, 1315730), (10, 657865), (13, 506050), (25, 263146), (26, 253025), (29, 226850), (50, 131573), (58, 113425), (65, 101210), (130, 50605), (145, 45370), (290, 22685), (325, 20242), (349, 18850), (377, 17450), (650, 10121), (698, 9425), (725, 9074), (754, 8725), (1450, 4537), (1745, 3770), (1885, 3490)]