8761420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4019}}^1$

素因数の和:4137

約数の個数: 24

約数和(自身を含む): 18572400

約数和(自身を除く): 9810980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 4019, 8038, 16076, 20095, 40190, 80380, 438071, 876142, 1752284, 2190355, 4380710, 8761420]

約数ペア:

[(1, 8761420), (2, 4380710), (4, 2190355), (5, 1752284), (10, 876142), (20, 438071), (109, 80380), (218, 40190), (436, 20095), (545, 16076), (1090, 8038), (2180, 4019)]