80807740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13513}}^1$

素因数の和:13558

約数の個数: 48

約数和(自身を含む): 190709568

約数和(自身を除く): 109901828

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 13513, 27026, 54052, 67565, 135130, 175669, 270260, 310799, 351338, 621598, 702676, 878345, 1243196, 1553995, 1756690, 3107990, 3513380, 4040387, 6215980, 8080774, 16161548, 20201935, 40403870, 80807740]

約数ペア:

[(1, 80807740), (2, 40403870), (4, 20201935), (5, 16161548), (10, 8080774), (13, 6215980), (20, 4040387), (23, 3513380), (26, 3107990), (46, 1756690), (52, 1553995), (65, 1243196), (92, 878345), (115, 702676), (130, 621598), (230, 351338), (260, 310799), (299, 270260), (460, 175669), (598, 135130), (1196, 67565), (1495, 54052), (2990, 27026), (5980, 13513)]