2681261920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{540577}}^1$

素因数の和:540623

約数の個数: 48

約数和(自身を含む): 6538831488

約数和(自身を除く): 3857569568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 540577, 1081154, 2162308, 2702885, 4324616, 5405770, 8649232, 10811540, 16757887, 17298464, 21623080, 33515774, 43246160, 67031548, 83789435, 86492320, 134063096, 167578870, 268126192, 335157740, 536252384, 670315480, 1340630960, 2681261920]

約数ペア:

[(1, 2681261920), (2, 1340630960), (4, 670315480), (5, 536252384), (8, 335157740), (10, 268126192), (16, 167578870), (20, 134063096), (31, 86492320), (32, 83789435), (40, 67031548), (62, 43246160), (80, 33515774), (124, 21623080), (155, 17298464), (160, 16757887), (248, 10811540), (310, 8649232), (496, 5405770), (620, 4324616), (992, 2702885), (1240, 2162308), (2480, 1081154), (4960, 540577)]