99617240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{57917}}^1$

素因数の和:57971

約数の個数: 32

約数和(自身を含む): 229355280

約数和(自身を除く): 129738040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 57917, 115834, 231668, 289585, 463336, 579170, 1158340, 2316680, 2490431, 4980862, 9961724, 12452155, 19923448, 24904310, 49808620, 99617240]

約数ペア:

[(1, 99617240), (2, 49808620), (4, 24904310), (5, 19923448), (8, 12452155), (10, 9961724), (20, 4980862), (40, 2490431), (43, 2316680), (86, 1158340), (172, 579170), (215, 463336), (344, 289585), (430, 231668), (860, 115834), (1720, 57917)]