55800400

素因数分解:

$2^4\times 5^2\times {\mathrm{139501}}^1$

素因数の和:139519

約数の個数: 30

約数和(自身を含む): 134061422

約数和(自身を除く): 78261022

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 139501, 279002, 558004, 697505, 1116008, 1395010, 2232016, 2790020, 3487525, 5580040, 6975050, 11160080, 13950100, 27900200, 55800400]

約数ペア:

[(1, 55800400), (2, 27900200), (4, 13950100), (5, 11160080), (8, 6975050), (10, 5580040), (16, 3487525), (20, 2790020), (25, 2232016), (40, 1395010), (50, 1116008), (80, 697505), (100, 558004), (200, 279002), (400, 139501)]