25321530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64927}}^1$

素因数の和:64950

約数の個数: 32

約数和(自身を含む): 65447424

約数和(自身を除く): 40125894

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 64927, 129854, 194781, 324635, 389562, 649270, 844051, 973905, 1688102, 1947810, 2532153, 4220255, 5064306, 8440510, 12660765, 25321530]

約数ペア:

[(1, 25321530), (2, 12660765), (3, 8440510), (5, 5064306), (6, 4220255), (10, 2532153), (13, 1947810), (15, 1688102), (26, 973905), (30, 844051), (39, 649270), (65, 389562), (78, 324635), (130, 194781), (195, 129854), (390, 64927)]