12280240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{21929}}^1$

素因数の和:21949

約数の個数: 40

約数和(自身を含む): 32631840

約数和(自身を除く): 20351600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 21929, 43858, 87716, 109645, 153503, 175432, 219290, 307006, 350864, 438580, 614012, 767515, 877160, 1228024, 1535030, 1754320, 2456048, 3070060, 6140120, 12280240]

約数ペア:

[(1, 12280240), (2, 6140120), (4, 3070060), (5, 2456048), (7, 1754320), (8, 1535030), (10, 1228024), (14, 877160), (16, 767515), (20, 614012), (28, 438580), (35, 350864), (40, 307006), (56, 219290), (70, 175432), (80, 153503), (112, 109645), (140, 87716), (280, 43858), (560, 21929)]