2016115120

素因数分解:

$2^4\times 5^1\times {\mathrm{25201439}}^1$

素因数の和:25201452

約数の個数: 20

約数和(自身を含む): 4687467840

約数和(自身を除く): 2671352720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25201439, 50402878, 100805756, 126007195, 201611512, 252014390, 403223024, 504028780, 1008057560, 2016115120]

約数ペア:

[(1, 2016115120), (2, 1008057560), (4, 504028780), (5, 403223024), (8, 252014390), (10, 201611512), (16, 126007195), (20, 100805756), (40, 50402878), (80, 25201439)]