2756440

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 6259680

約数和(自身を除く): 3503240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 503, 548, 685, 1006, 1096, 1370, 2012, 2515, 2740, 4024, 5030, 5480, 10060, 20120, 68911, 137822, 275644, 344555, 551288, 689110, 1378220, 2756440]

約数ペア:

[(1, 2756440), (2, 1378220), (4, 689110), (5, 551288), (8, 344555), (10, 275644), (20, 137822), (40, 68911), (137, 20120), (274, 10060), (503, 5480), (548, 5030), (685, 4024), (1006, 2740), (1096, 2515), (1370, 2012)]