85405340

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{51449}}^1$

素因数の和:51541

約数の個数: 24

約数和(自身を含む): 181515600

約数和(自身を除く): 96110260

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 51449, 102898, 205796, 257245, 514490, 1028980, 4270267, 8540534, 17081068, 21351335, 42702670, 85405340]

約数ペア:

[(1, 85405340), (2, 42702670), (4, 21351335), (5, 17081068), (10, 8540534), (20, 4270267), (83, 1028980), (166, 514490), (332, 257245), (415, 205796), (830, 102898), (1660, 51449)]