5238980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6389}}^1$

素因数の和:6439

約数の個数: 24

約数和(自身を含む): 11271960

約数和(自身を除く): 6032980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 6389, 12778, 25556, 31945, 63890, 127780, 261949, 523898, 1047796, 1309745, 2619490, 5238980]

約数ペア:

[(1, 5238980), (2, 2619490), (4, 1309745), (5, 1047796), (10, 523898), (20, 261949), (41, 127780), (82, 63890), (164, 31945), (205, 25556), (410, 12778), (820, 6389)]