8481320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4931}}^1$

素因数の和:4985

約数の個数: 32

約数和(自身を含む): 19530720

約数和(自身を除く): 11049400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4931, 9862, 19724, 24655, 39448, 49310, 98620, 197240, 212033, 424066, 848132, 1060165, 1696264, 2120330, 4240660, 8481320]

約数ペア:

[(1, 8481320), (2, 4240660), (4, 2120330), (5, 1696264), (8, 1060165), (10, 848132), (20, 424066), (40, 212033), (43, 197240), (86, 98620), (172, 49310), (215, 39448), (344, 24655), (430, 19724), (860, 9862), (1720, 4931)]