86455640

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{4297}}^1$

素因数の和:4811

約数の個数: 32

約数和(自身を含む): 194957280

約数和(自身を除く): 108501640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 4297, 5030, 8594, 10060, 17188, 20120, 21485, 34376, 42970, 85940, 171880, 2161391, 4322782, 8645564, 10806955, 17291128, 21613910, 43227820, 86455640]

約数ペア:

[(1, 86455640), (2, 43227820), (4, 21613910), (5, 17291128), (8, 10806955), (10, 8645564), (20, 4322782), (40, 2161391), (503, 171880), (1006, 85940), (2012, 42970), (2515, 34376), (4024, 21485), (4297, 20120), (5030, 17188), (8594, 10060)]