1672280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 3810240

約数和(自身を除く): 2137960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 431, 485, 776, 862, 970, 1724, 1940, 2155, 3448, 3880, 4310, 8620, 17240, 41807, 83614, 167228, 209035, 334456, 418070, 836140, 1672280]

約数ペア:

[(1, 1672280), (2, 836140), (4, 418070), (5, 334456), (8, 209035), (10, 167228), (20, 83614), (40, 41807), (97, 17240), (194, 8620), (388, 4310), (431, 3880), (485, 3448), (776, 2155), (862, 1940), (970, 1724)]