40008145

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:776

約数の個数: 16

約数和(自身を含む): 48988800

約数和(自身を除く): 8980655

約数列:

[1, 5, 71, 251, 355, 449, 1255, 2245, 17821, 31879, 89105, 112699, 159395, 563495, 8001629, 40008145]

約数ペア:

[(1, 40008145), (5, 8001629), (71, 563495), (251, 159395), (355, 112699), (449, 89105), (1255, 31879), (2245, 17821)]