2051205125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{5333}}^1$

素因数の和:5546

約数の個数: 32

約数和(自身を含む): 2725972704

約数和(自身を除く): 674767579

約数列:

[1, 5, 17, 25, 85, 125, 181, 425, 905, 2125, 3077, 4525, 5333, 15385, 22625, 26665, 76925, 90661, 133325, 384625, 453305, 666625, 965273, 2266525, 4826365, 11332625, 16409641, 24131825, 82048205, 120659125, 410241025, 2051205125]

約数ペア:

[(1, 2051205125), (5, 410241025), (17, 120659125), (25, 82048205), (85, 24131825), (125, 16409641), (181, 11332625), (425, 4826365), (905, 2266525), (2125, 965273), (3077, 666625), (4525, 453305), (5333, 384625), (15385, 133325), (22625, 90661), (26665, 76925)]