25366991620

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2889179}}^1$

素因数の和:2889627

約数の個数: 24

約数和(自身を含む): 53392046400

約数和(自身を除く): 28025054780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 2889179, 5778358, 11556716, 14445895, 28891790, 57783580, 1268349581, 2536699162, 5073398324, 6341747905, 12683495810, 25366991620]

約数ペア:

[(1, 25366991620), (2, 12683495810), (4, 6341747905), (5, 5073398324), (10, 2536699162), (20, 1268349581), (439, 57783580), (878, 28891790), (1756, 14445895), (2195, 11556716), (4390, 5778358), (8780, 2889179)]