98072720

素因数分解:

$2^4\times 5^1\times {\mathrm{1225909}}^1$

素因数の和:1225922

約数の個数: 20

約数和(自身を含む): 228019260

約数和(自身を除く): 129946540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1225909, 2451818, 4903636, 6129545, 9807272, 12259090, 19614544, 24518180, 49036360, 98072720]

約数ペア:

[(1, 98072720), (2, 49036360), (4, 24518180), (5, 19614544), (8, 12259090), (10, 9807272), (16, 6129545), (20, 4903636), (40, 2451818), (80, 1225909)]