4480360

素因数分解:

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

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 10189800

約数和(自身を除く): 5709440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1109, 2020, 2218, 4040, 4436, 5545, 8872, 11090, 22180, 44360, 112009, 224018, 448036, 560045, 896072, 1120090, 2240180, 4480360]

約数ペア:

[(1, 4480360), (2, 2240180), (4, 1120090), (5, 896072), (8, 560045), (10, 448036), (20, 224018), (40, 112009), (101, 44360), (202, 22180), (404, 11090), (505, 8872), (808, 5545), (1010, 4436), (1109, 4040), (2020, 2218)]