90546520

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{8353}}^1$

素因数の和:8635

約数の個数: 32

約数和(自身を含む): 204505920

約数和(自身を除く): 113959400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 8353, 10840, 16706, 33412, 41765, 66824, 83530, 167060, 334120, 2263663, 4527326, 9054652, 11318315, 18109304, 22636630, 45273260, 90546520]

約数ペア:

[(1, 90546520), (2, 45273260), (4, 22636630), (5, 18109304), (8, 11318315), (10, 9054652), (20, 4527326), (40, 2263663), (271, 334120), (542, 167060), (1084, 83530), (1355, 66824), (2168, 41765), (2710, 33412), (5420, 16706), (8353, 10840)]