25264590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64781}}^1$

素因数の和:64804

約数の個数: 32

約数和(自身を含む): 65300256

約数和(自身を除く): 40035666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 64781, 129562, 194343, 323905, 388686, 647810, 842153, 971715, 1684306, 1943430, 2526459, 4210765, 5052918, 8421530, 12632295, 25264590]

約数ペア:

[(1, 25264590), (2, 12632295), (3, 8421530), (5, 5052918), (6, 4210765), (10, 2526459), (13, 1943430), (15, 1684306), (26, 971715), (30, 842153), (39, 647810), (65, 388686), (78, 323905), (130, 194343), (195, 129562), (390, 64781)]