12947320

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1871}}^1$

素因数の和:2055

約数の個数: 32

約数和(自身を含む): 29315520

約数和(自身を除く): 16368200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 1871, 3460, 3742, 6920, 7484, 9355, 14968, 18710, 37420, 74840, 323683, 647366, 1294732, 1618415, 2589464, 3236830, 6473660, 12947320]

約数ペア:

[(1, 12947320), (2, 6473660), (4, 3236830), (5, 2589464), (8, 1618415), (10, 1294732), (20, 647366), (40, 323683), (173, 74840), (346, 37420), (692, 18710), (865, 14968), (1384, 9355), (1730, 7484), (1871, 6920), (3460, 3742)]