2237780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2729}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 4815720

約数和(自身を除く): 2577940

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2729, 5458, 10916, 13645, 27290, 54580, 111889, 223778, 447556, 559445, 1118890, 2237780]

約数ペア:

[(1, 2237780), (2, 1118890), (4, 559445), (5, 447556), (10, 223778), (20, 111889), (41, 54580), (82, 27290), (164, 13645), (205, 10916), (410, 5458), (820, 2729)]