56946440

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2221}}^1$

素因数の和:2873

約数の個数: 32

約数和(自身を含む): 128387160

約数和(自身を除く): 71440720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2221, 2564, 3205, 4442, 5128, 6410, 8884, 11105, 12820, 17768, 22210, 25640, 44420, 88840, 1423661, 2847322, 5694644, 7118305, 11389288, 14236610, 28473220, 56946440]

約数ペア:

[(1, 56946440), (2, 28473220), (4, 14236610), (5, 11389288), (8, 7118305), (10, 5694644), (20, 2847322), (40, 1423661), (641, 88840), (1282, 44420), (2221, 25640), (2564, 22210), (3205, 17768), (4442, 12820), (5128, 11105), (6410, 8884)]