17987120

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1489}}^1$

素因数の和:1653

約数の個数: 40

約数和(自身を含む): 42125280

約数和(自身を除く): 24138160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1489, 1510, 2416, 2978, 3020, 5956, 6040, 7445, 11912, 12080, 14890, 23824, 29780, 59560, 119120, 224839, 449678, 899356, 1124195, 1798712, 2248390, 3597424, 4496780, 8993560, 17987120]

約数ペア:

[(1, 17987120), (2, 8993560), (4, 4496780), (5, 3597424), (8, 2248390), (10, 1798712), (16, 1124195), (20, 899356), (40, 449678), (80, 224839), (151, 119120), (302, 59560), (604, 29780), (755, 23824), (1208, 14890), (1489, 12080), (1510, 11912), (2416, 7445), (2978, 6040), (3020, 5956)]