1426280

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 3243240

約数和(自身を除く): 1816960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 197, 362, 394, 724, 788, 905, 985, 1448, 1576, 1810, 1970, 3620, 3940, 7240, 7880, 35657, 71314, 142628, 178285, 285256, 356570, 713140, 1426280]

約数ペア:

[(1, 1426280), (2, 713140), (4, 356570), (5, 285256), (8, 178285), (10, 142628), (20, 71314), (40, 35657), (181, 7880), (197, 7240), (362, 3940), (394, 3620), (724, 1970), (788, 1810), (905, 1576), (985, 1448)]