55157740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{613}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 126876960

約数和(自身を除く): 71719220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 613, 818, 1226, 1636, 2045, 2452, 3065, 4090, 4499, 6130, 6743, 8180, 8998, 12260, 13486, 17996, 22495, 26972, 33715, 44990, 67430, 89980, 134860, 250717, 501434, 1002868, 1253585, 2507170, 2757887, 5014340, 5515774, 11031548, 13789435, 27578870, 55157740]

約数ペア:

[(1, 55157740), (2, 27578870), (4, 13789435), (5, 11031548), (10, 5515774), (11, 5014340), (20, 2757887), (22, 2507170), (44, 1253585), (55, 1002868), (110, 501434), (220, 250717), (409, 134860), (613, 89980), (818, 67430), (1226, 44990), (1636, 33715), (2045, 26972), (2452, 22495), (3065, 17996), (4090, 13486), (4499, 12260), (6130, 8998), (6743, 8180)]