12689240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10939}}^1$

素因数の和:10979

約数の個数: 32

約数和(自身を含む): 29538000

約数和(自身を除く): 16848760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 10939, 21878, 43756, 54695, 87512, 109390, 218780, 317231, 437560, 634462, 1268924, 1586155, 2537848, 3172310, 6344620, 12689240]

約数ペア:

[(1, 12689240), (2, 6344620), (4, 3172310), (5, 2537848), (8, 1586155), (10, 1268924), (20, 634462), (29, 437560), (40, 317231), (58, 218780), (116, 109390), (145, 87512), (232, 54695), (290, 43756), (580, 21878), (1160, 10939)]