90658940

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{11083}}^1$

素因数の和:11501

約数の個数: 24

約数和(自身を含む): 190866480

約数和(自身を除く): 100207540

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 11083, 22166, 44332, 55415, 110830, 221660, 4532947, 9065894, 18131788, 22664735, 45329470, 90658940]

約数ペア:

[(1, 90658940), (2, 45329470), (4, 22664735), (5, 18131788), (10, 9065894), (20, 4532947), (409, 221660), (818, 110830), (1636, 55415), (2045, 44332), (4090, 22166), (8180, 11083)]