27640340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15187}}^1$

素因数の和:15216

約数の個数: 48

約数和(自身を含む): 71444352

約数和(自身を除く): 43804012

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15187, 30374, 60748, 75935, 106309, 151870, 197431, 212618, 303740, 394862, 425236, 531545, 789724, 987155, 1063090, 1382017, 1974310, 2126180, 2764034, 3948620, 5528068, 6910085, 13820170, 27640340]

約数ペア:

[(1, 27640340), (2, 13820170), (4, 6910085), (5, 5528068), (7, 3948620), (10, 2764034), (13, 2126180), (14, 1974310), (20, 1382017), (26, 1063090), (28, 987155), (35, 789724), (52, 531545), (65, 425236), (70, 394862), (91, 303740), (130, 212618), (140, 197431), (182, 151870), (260, 106309), (364, 75935), (455, 60748), (910, 30374), (1820, 15187)]