38288920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 89385120

約数和(自身を除く): 51096200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 113, 172, 197, 215, 226, 344, 394, 430, 452, 565, 788, 860, 904, 985, 1130, 1576, 1720, 1970, 2260, 3940, 4520, 4859, 7880, 8471, 9718, 16942, 19436, 22261, 24295, 33884, 38872, 42355, 44522, 48590, 67768, 84710, 89044, 97180, 111305, 169420, 178088, 194360, 222610, 338840, 445220, 890440, 957223, 1914446, 3828892, 4786115, 7657784, 9572230, 19144460, 38288920]

約数ペア:

[(1, 38288920), (2, 19144460), (4, 9572230), (5, 7657784), (8, 4786115), (10, 3828892), (20, 1914446), (40, 957223), (43, 890440), (86, 445220), (113, 338840), (172, 222610), (197, 194360), (215, 178088), (226, 169420), (344, 111305), (394, 97180), (430, 89044), (452, 84710), (565, 67768), (788, 48590), (860, 44522), (904, 42355), (985, 38872), (1130, 33884), (1576, 24295), (1720, 22261), (1970, 19436), (2260, 16942), (3940, 9718), (4520, 8471), (4859, 7880)]