28471840

素因数分解:

$2^5\times 5^1\times {\mathrm{177949}}^1$

素因数の和:177964

約数の個数: 24

約数和(自身を含む): 67265100

約数和(自身を除く): 38793260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 177949, 355898, 711796, 889745, 1423592, 1779490, 2847184, 3558980, 5694368, 7117960, 14235920, 28471840]

約数ペア:

[(1, 28471840), (2, 14235920), (4, 7117960), (5, 5694368), (8, 3558980), (10, 2847184), (16, 1779490), (20, 1423592), (32, 889745), (40, 711796), (80, 355898), (160, 177949)]