1947752720

素因数分解:

$2^4\times 5^1\times {\mathrm{24346909}}^1$

素因数の和:24346922

約数の個数: 20

約数和(自身を含む): 4528525260

約数和(自身を除く): 2580772540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24346909, 48693818, 97387636, 121734545, 194775272, 243469090, 389550544, 486938180, 973876360, 1947752720]

約数ペア:

[(1, 1947752720), (2, 973876360), (4, 486938180), (5, 389550544), (8, 243469090), (10, 194775272), (16, 121734545), (20, 97387636), (40, 48693818), (80, 24346909)]