31882840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72461}}^1$

素因数の和:72483

約数の個数: 32

約数和(自身を含む): 78258960

約数和(自身を除く): 46376120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 72461, 144922, 289844, 362305, 579688, 724610, 797071, 1449220, 1594142, 2898440, 3188284, 3985355, 6376568, 7970710, 15941420, 31882840]

約数ペア:

[(1, 31882840), (2, 15941420), (4, 7970710), (5, 6376568), (8, 3985355), (10, 3188284), (11, 2898440), (20, 1594142), (22, 1449220), (40, 797071), (44, 724610), (55, 579688), (88, 362305), (110, 289844), (220, 144922), (440, 72461)]