8960720

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1223

約数の個数: 40

約数和(自身を含む): 21058920

約数和(自身を除く): 12098200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1109, 1616, 2020, 2218, 4040, 4436, 5545, 8080, 8872, 11090, 17744, 22180, 44360, 88720, 112009, 224018, 448036, 560045, 896072, 1120090, 1792144, 2240180, 4480360, 8960720]

約数ペア:

[(1, 8960720), (2, 4480360), (4, 2240180), (5, 1792144), (8, 1120090), (10, 896072), (16, 560045), (20, 448036), (40, 224018), (80, 112009), (101, 88720), (202, 44360), (404, 22180), (505, 17744), (808, 11090), (1010, 8872), (1109, 8080), (1616, 5545), (2020, 4436), (2218, 4040)]