87200800

素因数分解:

$2^5\times 5^2\times {\mathrm{109001}}^1$

素因数の和:109021

約数の個数: 36

約数和(自身を含む): 212880906

約数和(自身を除く): 125680106

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 109001, 218002, 436004, 545005, 872008, 1090010, 1744016, 2180020, 2725025, 3488032, 4360040, 5450050, 8720080, 10900100, 17440160, 21800200, 43600400, 87200800]

約数ペア:

[(1, 87200800), (2, 43600400), (4, 21800200), (5, 17440160), (8, 10900100), (10, 8720080), (16, 5450050), (20, 4360040), (25, 3488032), (32, 2725025), (40, 2180020), (50, 1744016), (80, 1090010), (100, 872008), (160, 545005), (200, 436004), (400, 218002), (800, 109001)]