1022240

素因数分解:

$2^5\times 5^1\times {\mathrm{6389}}^1$

素因数の和:6404

約数の個数: 24

約数和(自身を含む): 2415420

約数和(自身を除く): 1393180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 6389, 12778, 25556, 31945, 51112, 63890, 102224, 127780, 204448, 255560, 511120, 1022240]

約数ペア:

[(1, 1022240), (2, 511120), (4, 255560), (5, 204448), (8, 127780), (10, 102224), (16, 63890), (20, 51112), (32, 31945), (40, 25556), (80, 12778), (160, 6389)]