249526160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239929}}^1$

素因数の和:239955

約数の個数: 40

約数和(自身を含む): 624777720

約数和(自身を除く): 375251560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 239929, 479858, 959716, 1199645, 1919432, 2399290, 3119077, 3838864, 4798580, 6238154, 9597160, 12476308, 15595385, 19194320, 24952616, 31190770, 49905232, 62381540, 124763080, 249526160]

約数ペア:

[(1, 249526160), (2, 124763080), (4, 62381540), (5, 49905232), (8, 31190770), (10, 24952616), (13, 19194320), (16, 15595385), (20, 12476308), (26, 9597160), (40, 6238154), (52, 4798580), (65, 3838864), (80, 3119077), (104, 2399290), (130, 1919432), (208, 1199645), (260, 959716), (520, 479858), (1040, 239929)]