550520720

素因数分解:

$2^4\times 5^1\times {\mathrm{6881509}}^1$

素因数の和:6881522

約数の個数: 20

約数和(自身を含む): 1279960860

約数和(自身を除く): 729440140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6881509, 13763018, 27526036, 34407545, 55052072, 68815090, 110104144, 137630180, 275260360, 550520720]

約数ペア:

[(1, 550520720), (2, 275260360), (4, 137630180), (5, 110104144), (8, 68815090), (10, 55052072), (16, 34407545), (20, 27526036), (40, 13763018), (80, 6881509)]