28180760

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{11941}}^1$

素因数の和:12011

約数の個数: 32

約数和(自身を含む): 64486800

約数和(自身を除く): 36306040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 11941, 23882, 47764, 59705, 95528, 119410, 238820, 477640, 704519, 1409038, 2818076, 3522595, 5636152, 7045190, 14090380, 28180760]

約数ペア:

[(1, 28180760), (2, 14090380), (4, 7045190), (5, 5636152), (8, 3522595), (10, 2818076), (20, 1409038), (40, 704519), (59, 477640), (118, 238820), (236, 119410), (295, 95528), (472, 59705), (590, 47764), (1180, 23882), (2360, 11941)]