47988520

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2357}}^1$

素因数の和:2877

約数の個数: 32

約数和(自身を含む): 108232200

約数和(自身を除く): 60243680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2357, 2545, 4072, 4714, 5090, 9428, 10180, 11785, 18856, 20360, 23570, 47140, 94280, 1199713, 2399426, 4798852, 5998565, 9597704, 11997130, 23994260, 47988520]

約数ペア:

[(1, 47988520), (2, 23994260), (4, 11997130), (5, 9597704), (8, 5998565), (10, 4798852), (20, 2399426), (40, 1199713), (509, 94280), (1018, 47140), (2036, 23570), (2357, 20360), (2545, 18856), (4072, 11785), (4714, 10180), (5090, 9428)]