128265650

素因数分解:

$2^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{14173}}^1$

素因数の和:14366

約数の個数: 24

約数和(自身を含む): 239909124

約数和(自身を除く): 111643474

約数列:

[1, 2, 5, 10, 25, 50, 181, 362, 905, 1810, 4525, 9050, 14173, 28346, 70865, 141730, 354325, 708650, 2565313, 5130626, 12826565, 25653130, 64132825, 128265650]

約数ペア:

[(1, 128265650), (2, 64132825), (5, 25653130), (10, 12826565), (25, 5130626), (50, 2565313), (181, 708650), (362, 354325), (905, 141730), (1810, 70865), (4525, 28346), (9050, 14173)]