64590220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{68713}}^1$

素因数の和:68769

約数の個数: 24

約数和(自身を含む): 138527424

約数和(自身を除く): 73937204

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 68713, 137426, 274852, 343565, 687130, 1374260, 3229511, 6459022, 12918044, 16147555, 32295110, 64590220]

約数ペア:

[(1, 64590220), (2, 32295110), (4, 16147555), (5, 12918044), (10, 6459022), (20, 3229511), (47, 1374260), (94, 687130), (188, 343565), (235, 274852), (470, 137426), (940, 68713)]