71475440

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2531}}^1$

素因数の和:2897

約数の個数: 40

約数和(自身を含む): 166717008

約数和(自身を除く): 95241568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2531, 2824, 3530, 5062, 5648, 7060, 10124, 12655, 14120, 20248, 25310, 28240, 40496, 50620, 101240, 202480, 893443, 1786886, 3573772, 4467215, 7147544, 8934430, 14295088, 17868860, 35737720, 71475440]

約数ペア:

[(1, 71475440), (2, 35737720), (4, 17868860), (5, 14295088), (8, 8934430), (10, 7147544), (16, 4467215), (20, 3573772), (40, 1786886), (80, 893443), (353, 202480), (706, 101240), (1412, 50620), (1765, 40496), (2531, 28240), (2824, 25310), (3530, 20248), (5062, 14120), (5648, 12655), (7060, 10124)]