2644850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{313}}^1$

素因数の和:351

約数の個数: 36

約数和(自身を含む): 5343966

約数和(自身を除く): 2699116

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 313, 325, 338, 626, 650, 845, 1565, 1690, 3130, 4069, 4225, 7825, 8138, 8450, 15650, 20345, 40690, 52897, 101725, 105794, 203450, 264485, 528970, 1322425, 2644850]

約数ペア:

[(1, 2644850), (2, 1322425), (5, 528970), (10, 264485), (13, 203450), (25, 105794), (26, 101725), (50, 52897), (65, 40690), (130, 20345), (169, 15650), (313, 8450), (325, 8138), (338, 7825), (626, 4225), (650, 4069), (845, 3130), (1565, 1690)]