201631580

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{38333}}^1$

素因数の和:38605

約数の個数: 24

約数和(自身を含む): 425047392

約数和(自身を除く): 223415812

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 38333, 76666, 153332, 191665, 383330, 766660, 10081579, 20163158, 40326316, 50407895, 100815790, 201631580]

約数ペア:

[(1, 201631580), (2, 100815790), (4, 50407895), (5, 40326316), (10, 20163158), (20, 10081579), (263, 766660), (526, 383330), (1052, 191665), (1315, 153332), (2630, 76666), (5260, 38333)]