90842840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{206461}}^1$

素因数の和:206483

約数の個数: 32

約数和(自身を含む): 222978960

約数和(自身を除く): 132136120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 206461, 412922, 825844, 1032305, 1651688, 2064610, 2271071, 4129220, 4542142, 8258440, 9084284, 11355355, 18168568, 22710710, 45421420, 90842840]

約数ペア:

[(1, 90842840), (2, 45421420), (4, 22710710), (5, 18168568), (8, 11355355), (10, 9084284), (11, 8258440), (20, 4542142), (22, 4129220), (40, 2271071), (44, 2064610), (55, 1651688), (88, 1032305), (110, 825844), (220, 412922), (440, 206461)]