40107905

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1721}}^1$

素因数の和:1864

約数の個数: 16

約数和(自身を含む): 49593600

約数和(自身を除く): 9485695

約数列:

[1, 5, 59, 79, 295, 395, 1721, 4661, 8605, 23305, 101539, 135959, 507695, 679795, 8021581, 40107905]

約数ペア:

[(1, 40107905), (5, 8021581), (59, 679795), (79, 507695), (295, 135959), (395, 101539), (1721, 23305), (4661, 8605)]