40720210

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{27329}}^1$

素因数の和:27485

約数の個数: 16

約数和(自身を含む): 73791000

約数和(自身を除く): 33070790

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 27329, 54658, 136645, 273290, 4072021, 8144042, 20360105, 40720210]

約数ペア:

[(1, 40720210), (2, 20360105), (5, 8144042), (10, 4072021), (149, 273290), (298, 136645), (745, 54658), (1490, 27329)]