1138400

素因数分解:

$2^5\times 5^2\times {\mathrm{1423}}^1$

素因数の和:1443

約数の個数: 36

約数和(自身を含む): 2781072

約数和(自身を除く): 1642672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 1423, 2846, 5692, 7115, 11384, 14230, 22768, 28460, 35575, 45536, 56920, 71150, 113840, 142300, 227680, 284600, 569200, 1138400]

約数ペア:

[(1, 1138400), (2, 569200), (4, 284600), (5, 227680), (8, 142300), (10, 113840), (16, 71150), (20, 56920), (25, 45536), (32, 35575), (40, 28460), (50, 22768), (80, 14230), (100, 11384), (160, 7115), (200, 5692), (400, 2846), (800, 1423)]