84444280

素因数分解:

$2^3\times 5^1\times {\mathrm{2111107}}^1$

素因数の和:2111118

約数の個数: 16

約数和(自身を含む): 189999720

約数和(自身を除く): 105555440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2111107, 4222214, 8444428, 10555535, 16888856, 21111070, 42222140, 84444280]

約数ペア:

[(1, 84444280), (2, 42222140), (4, 21111070), (5, 16888856), (8, 10555535), (10, 8444428), (20, 4222214), (40, 2111107)]