12697280

素因数分解:

$2^6\times 5^1\times {\mathrm{39679}}^1$

素因数の和:39696

約数の個数: 28

約数和(自身を含む): 30236160

約数和(自身を除く): 17538880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 39679, 79358, 158716, 198395, 317432, 396790, 634864, 793580, 1269728, 1587160, 2539456, 3174320, 6348640, 12697280]

約数ペア:

[(1, 12697280), (2, 6348640), (4, 3174320), (5, 2539456), (8, 1587160), (10, 1269728), (16, 793580), (20, 634864), (32, 396790), (40, 317432), (64, 198395), (80, 158716), (160, 79358), (320, 39679)]