5112400

素因数分解:

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

素因数の和:12799

約数の個数: 30

約数和(自身を含む): 12283502

約数和(自身を除く): 7171102

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 12781, 25562, 51124, 63905, 102248, 127810, 204496, 255620, 319525, 511240, 639050, 1022480, 1278100, 2556200, 5112400]

約数ペア:

[(1, 5112400), (2, 2556200), (4, 1278100), (5, 1022480), (8, 639050), (10, 511240), (16, 319525), (20, 255620), (25, 204496), (40, 127810), (50, 102248), (80, 63905), (100, 51124), (200, 25562), (400, 12781)]