213070840

素因数分解:

$2^3\times 5^1\times {\mathrm{5326771}}^1$

素因数の和:5326782

約数の個数: 16

約数和(自身を含む): 479409480

約数和(自身を除く): 266338640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5326771, 10653542, 21307084, 26633855, 42614168, 53267710, 106535420, 213070840]

約数ペア:

[(1, 213070840), (2, 106535420), (4, 53267710), (5, 42614168), (8, 26633855), (10, 21307084), (20, 10653542), (40, 5326771)]