140790460

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{16333}}^1$

素因数の和:16773

約数の個数: 24

約数和(自身を含む): 296364096

約数和(自身を除く): 155573636

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 16333, 32666, 65332, 81665, 163330, 326660, 7039523, 14079046, 28158092, 35197615, 70395230, 140790460]

約数ペア:

[(1, 140790460), (2, 70395230), (4, 35197615), (5, 28158092), (10, 14079046), (20, 7039523), (431, 326660), (862, 163330), (1724, 81665), (2155, 65332), (4310, 32666), (8620, 16333)]