38974480

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2473}}^1$

素因数の和:2683

約数の個数: 40

約数和(自身を含む): 91112472

約数和(自身を除く): 52137992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 2473, 3152, 3940, 4946, 7880, 9892, 12365, 15760, 19784, 24730, 39568, 49460, 98920, 197840, 487181, 974362, 1948724, 2435905, 3897448, 4871810, 7794896, 9743620, 19487240, 38974480]

約数ペア:

[(1, 38974480), (2, 19487240), (4, 9743620), (5, 7794896), (8, 4871810), (10, 3897448), (16, 2435905), (20, 1948724), (40, 974362), (80, 487181), (197, 197840), (394, 98920), (788, 49460), (985, 39568), (1576, 24730), (1970, 19784), (2473, 15760), (3152, 12365), (3940, 9892), (4946, 7880)]