39079720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 90720000

約数和(自身を除く): 51640280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 83, 149, 158, 166, 298, 316, 332, 395, 415, 596, 632, 664, 745, 790, 830, 1192, 1490, 1580, 1660, 2980, 3160, 3320, 5960, 6557, 11771, 12367, 13114, 23542, 24734, 26228, 32785, 47084, 49468, 52456, 58855, 61835, 65570, 94168, 98936, 117710, 123670, 131140, 235420, 247340, 262280, 470840, 494680, 976993, 1953986, 3907972, 4884965, 7815944, 9769930, 19539860, 39079720]

約数ペア:

[(1, 39079720), (2, 19539860), (4, 9769930), (5, 7815944), (8, 4884965), (10, 3907972), (20, 1953986), (40, 976993), (79, 494680), (83, 470840), (149, 262280), (158, 247340), (166, 235420), (298, 131140), (316, 123670), (332, 117710), (395, 98936), (415, 94168), (596, 65570), (632, 61835), (664, 58855), (745, 52456), (790, 49468), (830, 47084), (1192, 32785), (1490, 26228), (1580, 24734), (1660, 23542), (2980, 13114), (3160, 12367), (3320, 11771), (5960, 6557)]