81757190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{10007}}^1$

素因数の和:10076

約数の個数: 32

約数和(自身を含む): 158526720

約数和(自身を除く): 76769530

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 10007, 20014, 50035, 100070, 190133, 380266, 430301, 860602, 950665, 1901330, 2151505, 4303010, 8175719, 16351438, 40878595, 81757190]

約数ペア:

[(1, 81757190), (2, 40878595), (5, 16351438), (10, 8175719), (19, 4303010), (38, 2151505), (43, 1901330), (86, 950665), (95, 860602), (190, 430301), (215, 380266), (430, 190133), (817, 100070), (1634, 50035), (4085, 20014), (8170, 10007)]