4621640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2687}}^1$

素因数の和:2741

約数の個数: 32

約数和(自身を含む): 10644480

約数和(自身を除く): 6022840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2687, 5374, 10748, 13435, 21496, 26870, 53740, 107480, 115541, 231082, 462164, 577705, 924328, 1155410, 2310820, 4621640]

約数ペア:

[(1, 4621640), (2, 2310820), (4, 1155410), (5, 924328), (8, 577705), (10, 462164), (20, 231082), (40, 115541), (43, 107480), (86, 53740), (172, 26870), (215, 21496), (344, 13435), (430, 10748), (860, 5374), (1720, 2687)]