80939020

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{26801}}^1$

素因数の和:26961

約数の個数: 24

約数和(自身を含む): 171103968

約数和(自身を除く): 90164948

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 26801, 53602, 107204, 134005, 268010, 536020, 4046951, 8093902, 16187804, 20234755, 40469510, 80939020]

約数ペア:

[(1, 80939020), (2, 40469510), (4, 20234755), (5, 16187804), (10, 8093902), (20, 4046951), (151, 536020), (302, 268010), (604, 134005), (755, 107204), (1510, 53602), (3020, 26801)]