15628240

素因数分解:

$2^4\times 5^1\times {\mathrm{195353}}^1$

素因数の和:195366

約数の個数: 20

約数和(自身を含む): 36335844

約数和(自身を除く): 20707604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195353, 390706, 781412, 976765, 1562824, 1953530, 3125648, 3907060, 7814120, 15628240]

約数ペア:

[(1, 15628240), (2, 7814120), (4, 3907060), (5, 3125648), (8, 1953530), (10, 1562824), (16, 976765), (20, 781412), (40, 390706), (80, 195353)]