57039640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{203713}}^1$

素因数の和:203731

約数の個数: 32

約数和(自身を含む): 146674080

約数和(自身を除く): 89634440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 203713, 407426, 814852, 1018565, 1425991, 1629704, 2037130, 2851982, 4074260, 5703964, 7129955, 8148520, 11407928, 14259910, 28519820, 57039640]

約数ペア:

[(1, 57039640), (2, 28519820), (4, 14259910), (5, 11407928), (7, 8148520), (8, 7129955), (10, 5703964), (14, 4074260), (20, 2851982), (28, 2037130), (35, 1629704), (40, 1425991), (56, 1018565), (70, 814852), (140, 407426), (280, 203713)]