2040987910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{198733}}^1$

素因数の和:198832

約数の個数: 32

約数和(自身を含む): 4006477440

約数和(自身を除く): 1965489530

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 198733, 397466, 993665, 1987330, 2583529, 5167058, 12917645, 15699907, 25835290, 31399814, 78499535, 156999070, 204098791, 408197582, 1020493955, 2040987910]

約数ペア:

[(1, 2040987910), (2, 1020493955), (5, 408197582), (10, 204098791), (13, 156999070), (26, 78499535), (65, 31399814), (79, 25835290), (130, 15699907), (158, 12917645), (395, 5167058), (790, 2583529), (1027, 1987330), (2054, 993665), (5135, 397466), (10270, 198733)]