55290640

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3581}}^1$

素因数の和:3787

約数の個数: 40

約数和(自身を含む): 129252888

約数和(自身を除く): 73962248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3581, 3860, 7162, 7720, 14324, 15440, 17905, 28648, 35810, 57296, 71620, 143240, 286480, 691133, 1382266, 2764532, 3455665, 5529064, 6911330, 11058128, 13822660, 27645320, 55290640]

約数ペア:

[(1, 55290640), (2, 27645320), (4, 13822660), (5, 11058128), (8, 6911330), (10, 5529064), (16, 3455665), (20, 2764532), (40, 1382266), (80, 691133), (193, 286480), (386, 143240), (772, 71620), (965, 57296), (1544, 35810), (1930, 28648), (3088, 17905), (3581, 15440), (3860, 14324), (7162, 7720)]