8798480

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1009}}^1$

素因数の和:1131

約数の個数: 40

約数和(自身を含む): 20664600

約数和(自身を除く): 11866120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1009, 1090, 1744, 2018, 2180, 4036, 4360, 5045, 8072, 8720, 10090, 16144, 20180, 40360, 80720, 109981, 219962, 439924, 549905, 879848, 1099810, 1759696, 2199620, 4399240, 8798480]

約数ペア:

[(1, 8798480), (2, 4399240), (4, 2199620), (5, 1759696), (8, 1099810), (10, 879848), (16, 549905), (20, 439924), (40, 219962), (80, 109981), (109, 80720), (218, 40360), (436, 20180), (545, 16144), (872, 10090), (1009, 8720), (1090, 8072), (1744, 5045), (2018, 4360), (2180, 4036)]