57290440

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5573}}^1$

素因数の和:5841

約数の個数: 32

約数和(自身を含む): 129428280

約数和(自身を除く): 72137840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 5573, 10280, 11146, 22292, 27865, 44584, 55730, 111460, 222920, 1432261, 2864522, 5729044, 7161305, 11458088, 14322610, 28645220, 57290440]

約数ペア:

[(1, 57290440), (2, 28645220), (4, 14322610), (5, 11458088), (8, 7161305), (10, 5729044), (20, 2864522), (40, 1432261), (257, 222920), (514, 111460), (1028, 55730), (1285, 44584), (2056, 27865), (2570, 22292), (5140, 11146), (5573, 10280)]