8247280

素因数分解:

$2^4\times 5^1\times {\mathrm{103091}}^1$

素因数の和:103104

約数の個数: 20

約数和(自身を含む): 19175112

約数和(自身を除く): 10927832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103091, 206182, 412364, 515455, 824728, 1030910, 1649456, 2061820, 4123640, 8247280]

約数ペア:

[(1, 8247280), (2, 4123640), (4, 2061820), (5, 1649456), (8, 1030910), (10, 824728), (16, 515455), (20, 412364), (40, 206182), (80, 103091)]