86872360

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{5039}}^1$

素因数の和:5481

約数の個数: 32

約数和(自身を含む): 195955200

約数和(自身を除く): 109082840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 5039, 8620, 10078, 17240, 20156, 25195, 40312, 50390, 100780, 201560, 2171809, 4343618, 8687236, 10859045, 17374472, 21718090, 43436180, 86872360]

約数ペア:

[(1, 86872360), (2, 43436180), (4, 21718090), (5, 17374472), (8, 10859045), (10, 8687236), (20, 4343618), (40, 2171809), (431, 201560), (862, 100780), (1724, 50390), (2155, 40312), (3448, 25195), (4310, 20156), (5039, 17240), (8620, 10078)]