51877020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66509}}^1$

素因数の和:66534

約数の個数: 48

約数和(自身を含む): 156431520

約数和(自身を除く): 104554500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 66509, 133018, 199527, 266036, 332545, 399054, 665090, 798108, 864617, 997635, 1330180, 1729234, 1995270, 2593851, 3458468, 3990540, 4323085, 5187702, 8646170, 10375404, 12969255, 17292340, 25938510, 51877020]

約数ペア:

[(1, 51877020), (2, 25938510), (3, 17292340), (4, 12969255), (5, 10375404), (6, 8646170), (10, 5187702), (12, 4323085), (13, 3990540), (15, 3458468), (20, 2593851), (26, 1995270), (30, 1729234), (39, 1330180), (52, 997635), (60, 864617), (65, 798108), (78, 665090), (130, 399054), (156, 332545), (195, 266036), (260, 199527), (390, 133018), (780, 66509)]