25562000

素因数分解:

$2^4\times 5^3\times {\mathrm{12781}}^1$

素因数の和:12804

約数の個数: 40

約数和(自身を含む): 61813752

約数和(自身を除く): 36251752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 12781, 25562, 51124, 63905, 102248, 127810, 204496, 255620, 319525, 511240, 639050, 1022480, 1278100, 1597625, 2556200, 3195250, 5112400, 6390500, 12781000, 25562000]

約数ペア:

[(1, 25562000), (2, 12781000), (4, 6390500), (5, 5112400), (8, 3195250), (10, 2556200), (16, 1597625), (20, 1278100), (25, 1022480), (40, 639050), (50, 511240), (80, 319525), (100, 255620), (125, 204496), (200, 127810), (250, 102248), (400, 63905), (500, 51124), (1000, 25562), (2000, 12781)]