17491311280

素因数分解:

$2^4\times 5^1\times {\mathrm{218641391}}^1$

素因数の和:218641404

約数の個数: 20

約数和(自身を含む): 40667298912

約数和(自身を除く): 23175987632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 218641391, 437282782, 874565564, 1093206955, 1749131128, 2186413910, 3498262256, 4372827820, 8745655640, 17491311280]

約数ペア:

[(1, 17491311280), (2, 8745655640), (4, 4372827820), (5, 3498262256), (8, 2186413910), (10, 1749131128), (16, 1093206955), (20, 874565564), (40, 437282782), (80, 218641391)]