12828040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16879}}^1$

素因数の和:16909

約数の個数: 32

約数和(自身を含む): 30384000

約数和(自身を除く): 17555960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 16879, 33758, 67516, 84395, 135032, 168790, 320701, 337580, 641402, 675160, 1282804, 1603505, 2565608, 3207010, 6414020, 12828040]

約数ペア:

[(1, 12828040), (2, 6414020), (4, 3207010), (5, 2565608), (8, 1603505), (10, 1282804), (19, 675160), (20, 641402), (38, 337580), (40, 320701), (76, 168790), (95, 135032), (152, 84395), (190, 67516), (380, 33758), (760, 16879)]