38399240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 94944960

約数和(自身を除く): 56545720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 443, 788, 886, 985, 1576, 1772, 1970, 2167, 2215, 3544, 3940, 4334, 4430, 4873, 7880, 8668, 8860, 9746, 10835, 17336, 17720, 19492, 21670, 24365, 38984, 43340, 48730, 86680, 87271, 97460, 174542, 194920, 349084, 436355, 698168, 872710, 959981, 1745420, 1919962, 3490840, 3839924, 4799905, 7679848, 9599810, 19199620, 38399240]

約数ペア:

[(1, 38399240), (2, 19199620), (4, 9599810), (5, 7679848), (8, 4799905), (10, 3839924), (11, 3490840), (20, 1919962), (22, 1745420), (40, 959981), (44, 872710), (55, 698168), (88, 436355), (110, 349084), (197, 194920), (220, 174542), (394, 97460), (440, 87271), (443, 86680), (788, 48730), (886, 43340), (985, 38984), (1576, 24365), (1772, 21670), (1970, 19492), (2167, 17720), (2215, 17336), (3544, 10835), (3940, 9746), (4334, 8860), (4430, 8668), (4873, 7880)]