889968280

素因数分解:

$2^3\times 5^1\times {\mathrm{3511}}^1\times {\mathrm{6337}}^1$

素因数の和:9859

約数の個数: 32

約数和(自身を含む): 2003315040

約数和(自身を除く): 1113346760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3511, 6337, 7022, 12674, 14044, 17555, 25348, 28088, 31685, 35110, 50696, 63370, 70220, 126740, 140440, 253480, 22249207, 44498414, 88996828, 111246035, 177993656, 222492070, 444984140, 889968280]

約数ペア:

[(1, 889968280), (2, 444984140), (4, 222492070), (5, 177993656), (8, 111246035), (10, 88996828), (20, 44498414), (40, 22249207), (3511, 253480), (6337, 140440), (7022, 126740), (12674, 70220), (14044, 63370), (17555, 50696), (25348, 35110), (28088, 31685)]