2080690855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{1229}}^1$

素因数の和:1575

約数の個数: 32

約数和(自身を含む): 2678054400

約数和(自身を除く): 597363545

約数列:

[1, 5, 19, 71, 95, 251, 355, 1229, 1255, 1349, 4769, 6145, 6745, 17821, 23351, 23845, 87259, 89105, 116755, 308479, 338599, 436295, 1542395, 1657921, 1692995, 5861101, 8289605, 21902009, 29305505, 109510045, 416138171, 2080690855]

約数ペア:

[(1, 2080690855), (5, 416138171), (19, 109510045), (71, 29305505), (95, 21902009), (251, 8289605), (355, 5861101), (1229, 1692995), (1255, 1657921), (1349, 1542395), (4769, 436295), (6145, 338599), (6745, 308479), (17821, 116755), (23351, 89105), (23845, 87259)]