90844960

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5209}}^1$

素因数の和:5333

約数の個数: 48

約数和(自身を含む): 216631800

約数和(自身を除く): 125786840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 5209, 8720, 10418, 17440, 20836, 26045, 41672, 52090, 83344, 104180, 166688, 208360, 416720, 567781, 833440, 1135562, 2271124, 2838905, 4542248, 5677810, 9084496, 11355620, 18168992, 22711240, 45422480, 90844960]

約数ペア:

[(1, 90844960), (2, 45422480), (4, 22711240), (5, 18168992), (8, 11355620), (10, 9084496), (16, 5677810), (20, 4542248), (32, 2838905), (40, 2271124), (80, 1135562), (109, 833440), (160, 567781), (218, 416720), (436, 208360), (545, 166688), (872, 104180), (1090, 83344), (1744, 52090), (2180, 41672), (3488, 26045), (4360, 20836), (5209, 17440), (8720, 10418)]