13140560

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1979}}^1$

素因数の和:2075

約数の個数: 40

約数和(自身を含む): 30935520

約数和(自身を除く): 17794960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 1979, 3320, 3958, 6640, 7916, 9895, 15832, 19790, 31664, 39580, 79160, 158320, 164257, 328514, 657028, 821285, 1314056, 1642570, 2628112, 3285140, 6570280, 13140560]

約数ペア:

[(1, 13140560), (2, 6570280), (4, 3285140), (5, 2628112), (8, 1642570), (10, 1314056), (16, 821285), (20, 657028), (40, 328514), (80, 164257), (83, 158320), (166, 79160), (332, 39580), (415, 31664), (664, 19790), (830, 15832), (1328, 9895), (1660, 7916), (1979, 6640), (3320, 3958)]