5121968

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{2039}}^1$

素因数の和:2204

約数の個数: 20

約数和(自身を含む): 9991920

約数和(自身を除く): 4869952

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2039, 2512, 4078, 8156, 16312, 32624, 320123, 640246, 1280492, 2560984, 5121968]

約数ペア:

[(1, 5121968), (2, 2560984), (4, 1280492), (8, 640246), (16, 320123), (157, 32624), (314, 16312), (628, 8156), (1256, 4078), (2039, 2512)]