89767280

素因数分解:

$2^4\times 5^1\times {\mathrm{1122091}}^1$

素因数の和:1122104

約数の個数: 20

約数和(自身を含む): 208709112

約数和(自身を除く): 118941832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1122091, 2244182, 4488364, 5610455, 8976728, 11220910, 17953456, 22441820, 44883640, 89767280]

約数ペア:

[(1, 89767280), (2, 44883640), (4, 22441820), (5, 17953456), (8, 11220910), (10, 8976728), (16, 5610455), (20, 4488364), (40, 2244182), (80, 1122091)]