40243640

素因数分解:

$2^3\times 5^1\times {\mathrm{1006091}}^1$

素因数の和:1006102

約数の個数: 16

約数和(自身を含む): 90548280

約数和(自身を除く): 50304640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1006091, 2012182, 4024364, 5030455, 8048728, 10060910, 20121820, 40243640]

約数ペア:

[(1, 40243640), (2, 20121820), (4, 10060910), (5, 8048728), (8, 5030455), (10, 4024364), (20, 2012182), (40, 1006091)]