2080472720

素因数分解:

$2^4\times 5^1\times {\mathrm{26005909}}^1$

素因数の和:26005922

約数の個数: 20

約数和(自身を含む): 4837099260

約数和(自身を除く): 2756626540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26005909, 52011818, 104023636, 130029545, 208047272, 260059090, 416094544, 520118180, 1040236360, 2080472720]

約数ペア:

[(1, 2080472720), (2, 1040236360), (4, 520118180), (5, 416094544), (8, 260059090), (10, 208047272), (16, 130029545), (20, 104023636), (40, 52011818), (80, 26005909)]