2011189840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2285443}}^1$

素因数の和:2285467

約数の個数: 40

約数和(自身を含む): 5101111008

約数和(自身を除く): 3089921168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2285443, 4570886, 9141772, 11427215, 18283544, 22854430, 25139873, 36567088, 45708860, 50279746, 91417720, 100559492, 125699365, 182835440, 201118984, 251398730, 402237968, 502797460, 1005594920, 2011189840]

約数ペア:

[(1, 2011189840), (2, 1005594920), (4, 502797460), (5, 402237968), (8, 251398730), (10, 201118984), (11, 182835440), (16, 125699365), (20, 100559492), (22, 91417720), (40, 50279746), (44, 45708860), (55, 36567088), (80, 25139873), (88, 22854430), (110, 18283544), (176, 11427215), (220, 9141772), (440, 4570886), (880, 2285443)]