2181320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2371}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 5123520

約数和(自身を除く): 2942200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 2371, 4742, 9484, 11855, 18968, 23710, 47420, 54533, 94840, 109066, 218132, 272665, 436264, 545330, 1090660, 2181320]

約数ペア:

[(1, 2181320), (2, 1090660), (4, 545330), (5, 436264), (8, 272665), (10, 218132), (20, 109066), (23, 94840), (40, 54533), (46, 47420), (92, 23710), (115, 18968), (184, 11855), (230, 9484), (460, 4742), (920, 2371)]