22000400

素因数分解:

$2^4\times 5^2\times {\mathrm{55001}}^1$

素因数の和:55019

約数の個数: 30

約数和(自身を含む): 52856922

約数和(自身を除く): 30856522

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 55001, 110002, 220004, 275005, 440008, 550010, 880016, 1100020, 1375025, 2200040, 2750050, 4400080, 5500100, 11000200, 22000400]

約数ペア:

[(1, 22000400), (2, 11000200), (4, 5500100), (5, 4400080), (8, 2750050), (10, 2200040), (16, 1375025), (20, 1100020), (25, 880016), (40, 550010), (50, 440008), (80, 275005), (100, 220004), (200, 110002), (400, 55001)]