19736904640

素因数分解:

$2^6\times 5^1\times {\mathrm{61677827}}^1$

素因数の和:61677844

約数の個数: 28

約数和(自身を含む): 46998504936

約数和(自身を除く): 27261600296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61677827, 123355654, 246711308, 308389135, 493422616, 616778270, 986845232, 1233556540, 1973690464, 2467113080, 3947380928, 4934226160, 9868452320, 19736904640]

約数ペア:

[(1, 19736904640), (2, 9868452320), (4, 4934226160), (5, 3947380928), (8, 2467113080), (10, 1973690464), (16, 1233556540), (20, 986845232), (32, 616778270), (40, 493422616), (64, 308389135), (80, 246711308), (160, 123355654), (320, 61677827)]