99628240

素因数分解:

$2^4\times 5^1\times {\mathrm{1245353}}^1$

素因数の和:1245366

約数の個数: 20

約数和(自身を含む): 231635844

約数和(自身を除く): 132007604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1245353, 2490706, 4981412, 6226765, 9962824, 12453530, 19925648, 24907060, 49814120, 99628240]

約数ペア:

[(1, 99628240), (2, 49814120), (4, 24907060), (5, 19925648), (8, 12453530), (10, 9962824), (16, 6226765), (20, 4981412), (40, 2490706), (80, 1245353)]