30975640

素因数分解:

$2^3\times 5^1\times {\mathrm{877}}^1\times {\mathrm{883}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 69853680

約数和(自身を除く): 38878040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 877, 883, 1754, 1766, 3508, 3532, 4385, 4415, 7016, 7064, 8770, 8830, 17540, 17660, 35080, 35320, 774391, 1548782, 3097564, 3871955, 6195128, 7743910, 15487820, 30975640]

約数ペア:

[(1, 30975640), (2, 15487820), (4, 7743910), (5, 6195128), (8, 3871955), (10, 3097564), (20, 1548782), (40, 774391), (877, 35320), (883, 35080), (1754, 17660), (1766, 17540), (3508, 8830), (3532, 8770), (4385, 7064), (4415, 7016)]