8002540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4397}}^1$

素因数の和:4426

約数の個数: 48

約数和(自身を含む): 20688192

約数和(自身を除く): 12685652

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, 4397, 8794, 17588, 21985, 30779, 43970, 57161, 61558, 87940, 114322, 123116, 153895, 228644, 285805, 307790, 400127, 571610, 615580, 800254, 1143220, 1600508, 2000635, 4001270, 8002540]

約数ペア:

[(1, 8002540), (2, 4001270), (4, 2000635), (5, 1600508), (7, 1143220), (10, 800254), (13, 615580), (14, 571610), (20, 400127), (26, 307790), (28, 285805), (35, 228644), (52, 153895), (65, 123116), (70, 114322), (91, 87940), (130, 61558), (140, 57161), (182, 43970), (260, 30779), (364, 21985), (455, 17588), (910, 8794), (1820, 4397)]