13426640

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1069}}^1$

素因数の和:1239

約数の個数: 40

約数和(自身を含む): 31445160

約数和(自身を除く): 18018520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1069, 1256, 1570, 2138, 2512, 3140, 4276, 5345, 6280, 8552, 10690, 12560, 17104, 21380, 42760, 85520, 167833, 335666, 671332, 839165, 1342664, 1678330, 2685328, 3356660, 6713320, 13426640]

約数ペア:

[(1, 13426640), (2, 6713320), (4, 3356660), (5, 2685328), (8, 1678330), (10, 1342664), (16, 839165), (20, 671332), (40, 335666), (80, 167833), (157, 85520), (314, 42760), (628, 21380), (785, 17104), (1069, 12560), (1256, 10690), (1570, 8552), (2138, 6280), (2512, 5345), (3140, 4276)]