195940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 419832

約数和(自身を除く): 223892

約数列:

[1, 2, 4, 5, 10, 20, 97, 101, 194, 202, 388, 404, 485, 505, 970, 1010, 1940, 2020, 9797, 19594, 39188, 48985, 97970, 195940]

約数ペア:

[(1, 195940), (2, 97970), (4, 48985), (5, 39188), (10, 19594), (20, 9797), (97, 2020), (101, 1940), (194, 1010), (202, 970), (388, 505), (404, 485)]