40132840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 99221760

約数和(自身を除く): 59088920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 463, 788, 926, 985, 1576, 1852, 1970, 2167, 2315, 3704, 3940, 4334, 4630, 5093, 7880, 8668, 9260, 10186, 10835, 17336, 18520, 20372, 21670, 25465, 40744, 43340, 50930, 86680, 91211, 101860, 182422, 203720, 364844, 456055, 729688, 912110, 1003321, 1824220, 2006642, 3648440, 4013284, 5016605, 8026568, 10033210, 20066420, 40132840]

約数ペア:

[(1, 40132840), (2, 20066420), (4, 10033210), (5, 8026568), (8, 5016605), (10, 4013284), (11, 3648440), (20, 2006642), (22, 1824220), (40, 1003321), (44, 912110), (55, 729688), (88, 456055), (110, 364844), (197, 203720), (220, 182422), (394, 101860), (440, 91211), (463, 86680), (788, 50930), (926, 43340), (985, 40744), (1576, 25465), (1852, 21670), (1970, 20372), (2167, 18520), (2315, 17336), (3704, 10835), (3940, 10186), (4334, 9260), (4630, 8668), (5093, 7880)]