22487320

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2521}}^1$

素因数の和:2755

約数の個数: 32

約数和(自身を含む): 50843520

約数和(自身を除く): 28356200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 2521, 4460, 5042, 8920, 10084, 12605, 20168, 25210, 50420, 100840, 562183, 1124366, 2248732, 2810915, 4497464, 5621830, 11243660, 22487320]

約数ペア:

[(1, 22487320), (2, 11243660), (4, 5621830), (5, 4497464), (8, 2810915), (10, 2248732), (20, 1124366), (40, 562183), (223, 100840), (446, 50420), (892, 25210), (1115, 20168), (1784, 12605), (2230, 10084), (2521, 8920), (4460, 5042)]