1012400

素因数分解:

$2^4\times 5^2\times {\mathrm{2531}}^1$

素因数の和:2549

約数の個数: 30

約数和(自身を含む): 2433252

約数和(自身を除く): 1420852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2531, 5062, 10124, 12655, 20248, 25310, 40496, 50620, 63275, 101240, 126550, 202480, 253100, 506200, 1012400]

約数ペア:

[(1, 1012400), (2, 506200), (4, 253100), (5, 202480), (8, 126550), (10, 101240), (16, 63275), (20, 50620), (25, 40496), (40, 25310), (50, 20248), (80, 12655), (100, 10124), (200, 5062), (400, 2531)]