64341940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{14557}}^1$

素因数の和:14596

約数の個数: 48

約数和(自身を含む): 154081872

約数和(自身を除く): 89739932

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 14557, 29114, 58228, 72785, 145570, 189241, 247469, 291140, 378482, 494938, 756964, 946205, 989876, 1237345, 1892410, 2474690, 3217097, 3784820, 4949380, 6434194, 12868388, 16085485, 32170970, 64341940]

約数ペア:

[(1, 64341940), (2, 32170970), (4, 16085485), (5, 12868388), (10, 6434194), (13, 4949380), (17, 3784820), (20, 3217097), (26, 2474690), (34, 1892410), (52, 1237345), (65, 989876), (68, 946205), (85, 756964), (130, 494938), (170, 378482), (221, 291140), (260, 247469), (340, 189241), (442, 145570), (884, 72785), (1105, 58228), (2210, 29114), (4420, 14557)]