12241840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 31248000

約数和(自身を除く): 19006160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 149, 158, 208, 260, 298, 316, 395, 520, 596, 632, 745, 790, 1027, 1040, 1192, 1264, 1490, 1580, 1937, 2054, 2384, 2980, 3160, 3874, 4108, 5135, 5960, 6320, 7748, 8216, 9685, 10270, 11771, 11920, 15496, 16432, 19370, 20540, 23542, 30992, 38740, 41080, 47084, 58855, 77480, 82160, 94168, 117710, 153023, 154960, 188336, 235420, 306046, 470840, 612092, 765115, 941680, 1224184, 1530230, 2448368, 3060460, 6120920, 12241840]

約数ペア:

[(1, 12241840), (2, 6120920), (4, 3060460), (5, 2448368), (8, 1530230), (10, 1224184), (13, 941680), (16, 765115), (20, 612092), (26, 470840), (40, 306046), (52, 235420), (65, 188336), (79, 154960), (80, 153023), (104, 117710), (130, 94168), (149, 82160), (158, 77480), (208, 58855), (260, 47084), (298, 41080), (316, 38740), (395, 30992), (520, 23542), (596, 20540), (632, 19370), (745, 16432), (790, 15496), (1027, 11920), (1040, 11771), (1192, 10270), (1264, 9685), (1490, 8216), (1580, 7748), (1937, 6320), (2054, 5960), (2384, 5135), (2980, 4108), (3160, 3874)]