87960440

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{8761}}^1$

素因数の和:9023

約数の個数: 32

約数和(自身を含む): 198722160

約数和(自身を除く): 110761720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 8761, 10040, 17522, 35044, 43805, 70088, 87610, 175220, 350440, 2199011, 4398022, 8796044, 10995055, 17592088, 21990110, 43980220, 87960440]

約数ペア:

[(1, 87960440), (2, 43980220), (4, 21990110), (5, 17592088), (8, 10995055), (10, 8796044), (20, 4398022), (40, 2199011), (251, 350440), (502, 175220), (1004, 87610), (1255, 70088), (2008, 43805), (2510, 35044), (5020, 17522), (8761, 10040)]