2080352720

素因数分解:

$2^4\times 5^1\times {\mathrm{26004409}}^1$

素因数の和:26004422

約数の個数: 20

約数和(自身を含む): 4836820260

約数和(自身を除く): 2756467540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26004409, 52008818, 104017636, 130022045, 208035272, 260044090, 416070544, 520088180, 1040176360, 2080352720]

約数ペア:

[(1, 2080352720), (2, 1040176360), (4, 520088180), (5, 416070544), (8, 260044090), (10, 208035272), (16, 130022045), (20, 104017636), (40, 52008818), (80, 26004409)]