56755880

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5521}}^1$

素因数の和:5789

約数の個数: 32

約数和(自身を含む): 128220840

約数和(自身を除く): 71464960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 5521, 10280, 11042, 22084, 27605, 44168, 55210, 110420, 220840, 1418897, 2837794, 5675588, 7094485, 11351176, 14188970, 28377940, 56755880]

約数ペア:

[(1, 56755880), (2, 28377940), (4, 14188970), (5, 11351176), (8, 7094485), (10, 5675588), (20, 2837794), (40, 1418897), (257, 220840), (514, 110420), (1028, 55210), (1285, 44168), (2056, 27605), (2570, 22084), (5140, 11042), (5521, 10280)]