667079260

素因数分解:

$2^2\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{26119}}^1$

素因数の和:27405

約数の個数: 24

約数和(自身を含む): 1402017120

約数和(自身を除く): 734937860

約数列:

[1, 2, 4, 5, 10, 20, 1277, 2554, 5108, 6385, 12770, 25540, 26119, 52238, 104476, 130595, 261190, 522380, 33353963, 66707926, 133415852, 166769815, 333539630, 667079260]

約数ペア:

[(1, 667079260), (2, 333539630), (4, 166769815), (5, 133415852), (10, 66707926), (20, 33353963), (1277, 522380), (2554, 261190), (5108, 130595), (6385, 104476), (12770, 52238), (25540, 26119)]