55642840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126461}}^1$

素因数の和:126483

約数の個数: 32

約数和(自身を含む): 136578960

約数和(自身を除く): 80936120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 126461, 252922, 505844, 632305, 1011688, 1264610, 1391071, 2529220, 2782142, 5058440, 5564284, 6955355, 11128568, 13910710, 27821420, 55642840]

約数ペア:

[(1, 55642840), (2, 27821420), (4, 13910710), (5, 11128568), (8, 6955355), (10, 5564284), (11, 5058440), (20, 2782142), (22, 2529220), (40, 1391071), (44, 1264610), (55, 1011688), (88, 632305), (110, 505844), (220, 252922), (440, 126461)]