90196940

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{10273}}^1$

素因数の和:10721

約数の個数: 24

約数和(自身を含む): 189863520

約数和(自身を除く): 99666580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 10273, 20546, 41092, 51365, 102730, 205460, 4509847, 9019694, 18039388, 22549235, 45098470, 90196940]

約数ペア:

[(1, 90196940), (2, 45098470), (4, 22549235), (5, 18039388), (10, 9019694), (20, 4509847), (439, 205460), (878, 102730), (1756, 51365), (2195, 41092), (4390, 20546), (8780, 10273)]