87604520

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{5227}}^1$

素因数の和:5657

約数の個数: 32

約数和(自身を含む): 197618400

約数和(自身を除く): 110013880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 5227, 8380, 10454, 16760, 20908, 26135, 41816, 52270, 104540, 209080, 2190113, 4380226, 8760452, 10950565, 17520904, 21901130, 43802260, 87604520]

約数ペア:

[(1, 87604520), (2, 43802260), (4, 21901130), (5, 17520904), (8, 10950565), (10, 8760452), (20, 4380226), (40, 2190113), (419, 209080), (838, 104540), (1676, 52270), (2095, 41816), (3352, 26135), (4190, 20908), (5227, 16760), (8380, 10454)]