22272400

素因数分解:

$2^4\times 5^2\times {\mathrm{55681}}^1$

素因数の和:55699

約数の個数: 30

約数和(自身を含む): 53510402

約数和(自身を除く): 31238002

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 55681, 111362, 222724, 278405, 445448, 556810, 890896, 1113620, 1392025, 2227240, 2784050, 4454480, 5568100, 11136200, 22272400]

約数ペア:

[(1, 22272400), (2, 11136200), (4, 5568100), (5, 4454480), (8, 2784050), (10, 2227240), (16, 1392025), (20, 1113620), (25, 890896), (40, 556810), (50, 445448), (80, 278405), (100, 222724), (200, 111362), (400, 55681)]