28438880

素因数分解:

$2^5\times 5^1\times {\mathrm{177743}}^1$

素因数の和:177758

約数の個数: 24

約数和(自身を含む): 67187232

約数和(自身を除く): 38748352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 177743, 355486, 710972, 888715, 1421944, 1777430, 2843888, 3554860, 5687776, 7109720, 14219440, 28438880]

約数ペア:

[(1, 28438880), (2, 14219440), (4, 7109720), (5, 5687776), (8, 3554860), (10, 2843888), (16, 1777430), (20, 1421944), (32, 888715), (40, 710972), (80, 355486), (160, 177743)]