25721072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3989}}^1$

素因数の和:4041

約数の個数: 40

約数和(自身を含む): 55413120

約数和(自身を除く): 29692048

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 3989, 6448, 7978, 15956, 31912, 51857, 63824, 103714, 123659, 207428, 247318, 414856, 494636, 829712, 989272, 1607567, 1978544, 3215134, 6430268, 12860536, 25721072]

約数ペア:

[(1, 25721072), (2, 12860536), (4, 6430268), (8, 3215134), (13, 1978544), (16, 1607567), (26, 989272), (31, 829712), (52, 494636), (62, 414856), (104, 247318), (124, 207428), (208, 123659), (248, 103714), (403, 63824), (496, 51857), (806, 31912), (1612, 15956), (3224, 7978), (3989, 6448)]