9908240

素因数分解:

$2^4\times 5^1\times {\mathrm{123853}}^1$

素因数の和:123866

約数の個数: 20

約数和(自身を含む): 23036844

約数和(自身を除く): 13128604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123853, 247706, 495412, 619265, 990824, 1238530, 1981648, 2477060, 4954120, 9908240]

約数ペア:

[(1, 9908240), (2, 4954120), (4, 2477060), (5, 1981648), (8, 1238530), (10, 990824), (16, 619265), (20, 495412), (40, 247706), (80, 123853)]