85857820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3769}}^1$

素因数の和:3862

約数の個数: 48

約数和(自身を含む): 193808160

約数和(自身を除く): 107950340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 3769, 4556, 5695, 7538, 11390, 15076, 18845, 22780, 37690, 64073, 75380, 128146, 252523, 256292, 320365, 505046, 640730, 1010092, 1262615, 1281460, 2525230, 4292891, 5050460, 8585782, 17171564, 21464455, 42928910, 85857820]

約数ペア:

[(1, 85857820), (2, 42928910), (4, 21464455), (5, 17171564), (10, 8585782), (17, 5050460), (20, 4292891), (34, 2525230), (67, 1281460), (68, 1262615), (85, 1010092), (134, 640730), (170, 505046), (268, 320365), (335, 256292), (340, 252523), (670, 128146), (1139, 75380), (1340, 64073), (2278, 37690), (3769, 22780), (4556, 18845), (5695, 15076), (7538, 11390)]