28238260

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17011}}^1$

素因数の和:17103

約数の個数: 24

約数和(自身を含む): 60018336

約数和(自身を除く): 31780076

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17011, 34022, 68044, 85055, 170110, 340220, 1411913, 2823826, 5647652, 7059565, 14119130, 28238260]

約数ペア:

[(1, 28238260), (2, 14119130), (4, 7059565), (5, 5647652), (10, 2823826), (20, 1411913), (83, 340220), (166, 170110), (332, 85055), (415, 68044), (830, 34022), (1660, 17011)]