55717520

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1973}}^1$

素因数の和:2339

約数の個数: 40

約数和(自身を含む): 129976056

約数和(自身を除く): 74258536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 1973, 2824, 3530, 3946, 5648, 7060, 7892, 9865, 14120, 15784, 19730, 28240, 31568, 39460, 78920, 157840, 696469, 1392938, 2785876, 3482345, 5571752, 6964690, 11143504, 13929380, 27858760, 55717520]

約数ペア:

[(1, 55717520), (2, 27858760), (4, 13929380), (5, 11143504), (8, 6964690), (10, 5571752), (16, 3482345), (20, 2785876), (40, 1392938), (80, 696469), (353, 157840), (706, 78920), (1412, 39460), (1765, 31568), (1973, 28240), (2824, 19730), (3530, 15784), (3946, 14120), (5648, 9865), (7060, 7892)]