90021340

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{10253}}^1$

素因数の和:10701

約数の個数: 24

約数和(自身を含む): 189493920

約数和(自身を除く): 99472580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 10253, 20506, 41012, 51265, 102530, 205060, 4501067, 9002134, 18004268, 22505335, 45010670, 90021340]

約数ペア:

[(1, 90021340), (2, 45010670), (4, 22505335), (5, 18004268), (10, 9002134), (20, 4501067), (439, 205060), (878, 102530), (1756, 51265), (2195, 41012), (4390, 20506), (8780, 10253)]