49252880

素因数分解:

$2^4\times 5^1\times {\mathrm{615661}}^1$

素因数の和:615674

約数の個数: 20

約数和(自身を含む): 114513132

約数和(自身を除く): 65260252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 615661, 1231322, 2462644, 3078305, 4925288, 6156610, 9850576, 12313220, 24626440, 49252880]

約数ペア:

[(1, 49252880), (2, 24626440), (4, 12313220), (5, 9850576), (8, 6156610), (10, 4925288), (16, 3078305), (20, 2462644), (40, 1231322), (80, 615661)]