85517780

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{12113}}^1$

素因数の和:12475

約数の個数: 24

約数和(自身を含む): 180110952

約数和(自身を除く): 94593172

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 12113, 24226, 48452, 60565, 121130, 242260, 4275889, 8551778, 17103556, 21379445, 42758890, 85517780]

約数ペア:

[(1, 85517780), (2, 42758890), (4, 21379445), (5, 17103556), (10, 8551778), (20, 4275889), (353, 242260), (706, 121130), (1412, 60565), (1765, 48452), (3530, 24226), (7060, 12113)]