85423790

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1069}}^1$

素因数の和:1268

約数の個数: 32

約数和(自身を含む): 157623840

約数和(自身を除く): 72200050

約数列:

[1, 2, 5, 10, 61, 122, 131, 262, 305, 610, 655, 1069, 1310, 2138, 5345, 7991, 10690, 15982, 39955, 65209, 79910, 130418, 140039, 280078, 326045, 652090, 700195, 1400390, 8542379, 17084758, 42711895, 85423790]

約数ペア:

[(1, 85423790), (2, 42711895), (5, 17084758), (10, 8542379), (61, 1400390), (122, 700195), (131, 652090), (262, 326045), (305, 280078), (610, 140039), (655, 130418), (1069, 79910), (1310, 65209), (2138, 39955), (5345, 15982), (7991, 10690)]