126571960

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{15901}}^1$

素因数の和:16111

約数の個数: 32

約数和(自身を含む): 286236000

約数和(自身を除く): 159664040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 15901, 31802, 63604, 79505, 127208, 159010, 318020, 636040, 3164299, 6328598, 12657196, 15821495, 25314392, 31642990, 63285980, 126571960]

約数ペア:

[(1, 126571960), (2, 63285980), (4, 31642990), (5, 25314392), (8, 15821495), (10, 12657196), (20, 6328598), (40, 3164299), (199, 636040), (398, 318020), (796, 159010), (995, 127208), (1592, 79505), (1990, 63604), (3980, 31802), (7960, 15901)]