49480720

素因数分解:

$2^4\times 5^1\times {\mathrm{618509}}^1$

素因数の和:618522

約数の個数: 20

約数和(自身を含む): 115042860

約数和(自身を除く): 65562140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 618509, 1237018, 2474036, 3092545, 4948072, 6185090, 9896144, 12370180, 24740360, 49480720]

約数ペア:

[(1, 49480720), (2, 24740360), (4, 12370180), (5, 9896144), (8, 6185090), (10, 4948072), (16, 3092545), (20, 2474036), (40, 1237018), (80, 618509)]