166872980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{86017}}^1$

素因数の和:86123

約数の個数: 24

約数和(自身を含む): 354050088

約数和(自身を除く): 187177108

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 86017, 172034, 344068, 430085, 860170, 1720340, 8343649, 16687298, 33374596, 41718245, 83436490, 166872980]

約数ペア:

[(1, 166872980), (2, 83436490), (4, 41718245), (5, 33374596), (10, 16687298), (20, 8343649), (97, 1720340), (194, 860170), (388, 430085), (485, 344068), (970, 172034), (1940, 86017)]