2720020

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 5743584

約数和(自身を除く): 3023564

約数列:

[1, 2, 4, 5, 10, 20, 307, 443, 614, 886, 1228, 1535, 1772, 2215, 3070, 4430, 6140, 8860, 136001, 272002, 544004, 680005, 1360010, 2720020]

約数ペア:

[(1, 2720020), (2, 1360010), (4, 680005), (5, 544004), (10, 272002), (20, 136001), (307, 8860), (443, 6140), (614, 4430), (886, 3070), (1228, 2215), (1535, 1772)]