4688020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1493}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 9914184

約数和(自身を除く): 5226164

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1493, 1570, 2986, 3140, 5972, 7465, 14930, 29860, 234401, 468802, 937604, 1172005, 2344010, 4688020]

約数ペア:

[(1, 4688020), (2, 2344010), (4, 1172005), (5, 937604), (10, 468802), (20, 234401), (157, 29860), (314, 14930), (628, 7465), (785, 5972), (1493, 3140), (1570, 2986)]