22401800

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 52647300

約数和(自身を除く): 30245500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1109, 2020, 2218, 2525, 4040, 4436, 5050, 5545, 8872, 10100, 11090, 20200, 22180, 27725, 44360, 55450, 110900, 112009, 221800, 224018, 448036, 560045, 896072, 1120090, 2240180, 2800225, 4480360, 5600450, 11200900, 22401800]

約数ペア:

[(1, 22401800), (2, 11200900), (4, 5600450), (5, 4480360), (8, 2800225), (10, 2240180), (20, 1120090), (25, 896072), (40, 560045), (50, 448036), (100, 224018), (101, 221800), (200, 112009), (202, 110900), (404, 55450), (505, 44360), (808, 27725), (1010, 22180), (1109, 20200), (2020, 11090), (2218, 10100), (2525, 8872), (4040, 5545), (4436, 5050)]