119890160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{115279}}^1$

素因数の和:115305

約数の個数: 40

約数和(自身を含む): 300189120

約数和(自身を除く): 180298960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 115279, 230558, 461116, 576395, 922232, 1152790, 1498627, 1844464, 2305580, 2997254, 4611160, 5994508, 7493135, 9222320, 11989016, 14986270, 23978032, 29972540, 59945080, 119890160]

約数ペア:

[(1, 119890160), (2, 59945080), (4, 29972540), (5, 23978032), (8, 14986270), (10, 11989016), (13, 9222320), (16, 7493135), (20, 5994508), (26, 4611160), (40, 2997254), (52, 2305580), (65, 1844464), (80, 1498627), (104, 1152790), (130, 922232), (208, 576395), (260, 461116), (520, 230558), (1040, 115279)]