2489704640

素因数分解:

$2^6\times 5^1\times {\mathrm{7780327}}^1$

素因数の和:7780344

約数の個数: 28

約数和(自身を含む): 5928609936

約数和(自身を除く): 3438905296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 7780327, 15560654, 31121308, 38901635, 62242616, 77803270, 124485232, 155606540, 248970464, 311213080, 497940928, 622426160, 1244852320, 2489704640]

約数ペア:

[(1, 2489704640), (2, 1244852320), (4, 622426160), (5, 497940928), (8, 311213080), (10, 248970464), (16, 155606540), (20, 124485232), (32, 77803270), (40, 62242616), (64, 38901635), (80, 31121308), (160, 15560654), (320, 7780327)]