28090460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82619}}^1$

素因数の和:82645

約数の個数: 24

約数和(自身を含む): 62460720

約数和(自身を除く): 34370260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 82619, 165238, 330476, 413095, 826190, 1404523, 1652380, 2809046, 5618092, 7022615, 14045230, 28090460]

約数ペア:

[(1, 28090460), (2, 14045230), (4, 7022615), (5, 5618092), (10, 2809046), (17, 1652380), (20, 1404523), (34, 826190), (68, 413095), (85, 330476), (170, 165238), (340, 82619)]