28860760

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8693}}^1$

素因数の和:8787

約数の個数: 32

約数和(自身を含む): 65726640

約数和(自身を除く): 36865880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 8693, 17386, 34772, 43465, 69544, 86930, 173860, 347720, 721519, 1443038, 2886076, 3607595, 5772152, 7215190, 14430380, 28860760]

約数ペア:

[(1, 28860760), (2, 14430380), (4, 7215190), (5, 5772152), (8, 3607595), (10, 2886076), (20, 1443038), (40, 721519), (83, 347720), (166, 173860), (332, 86930), (415, 69544), (664, 43465), (830, 34772), (1660, 17386), (3320, 8693)]