67380640

素因数分解:

$2^5\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1193}}^1$

素因数の和:1561

約数の個数: 48

約数和(自身を含む): 159771528

約数和(自身を除く): 92390888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 353, 706, 1193, 1412, 1765, 2386, 2824, 3530, 4772, 5648, 5965, 7060, 9544, 11296, 11930, 14120, 19088, 23860, 28240, 38176, 47720, 56480, 95440, 190880, 421129, 842258, 1684516, 2105645, 3369032, 4211290, 6738064, 8422580, 13476128, 16845160, 33690320, 67380640]

約数ペア:

[(1, 67380640), (2, 33690320), (4, 16845160), (5, 13476128), (8, 8422580), (10, 6738064), (16, 4211290), (20, 3369032), (32, 2105645), (40, 1684516), (80, 842258), (160, 421129), (353, 190880), (706, 95440), (1193, 56480), (1412, 47720), (1765, 38176), (2386, 28240), (2824, 23860), (3530, 19088), (4772, 14120), (5648, 11930), (5965, 11296), (7060, 9544)]