213911920

素因数分解:

$2^4\times 5^1\times {\mathrm{2673899}}^1$

素因数の和:2673912

約数の個数: 20

約数和(自身を含む): 497345400

約数和(自身を除く): 283433480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2673899, 5347798, 10695596, 13369495, 21391192, 26738990, 42782384, 53477980, 106955960, 213911920]

約数ペア:

[(1, 213911920), (2, 106955960), (4, 53477980), (5, 42782384), (8, 26738990), (10, 21391192), (16, 13369495), (20, 10695596), (40, 5347798), (80, 2673899)]