28220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 63504

約数和(自身を除く): 35284

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 830, 1411, 1660, 2822, 5644, 7055, 14110, 28220]

約数ペア:

[(1, 28220), (2, 14110), (4, 7055), (5, 5644), (10, 2822), (17, 1660), (20, 1411), (34, 830), (68, 415), (83, 340), (85, 332), (166, 170)]