42720736045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1\times {\mathrm{384577}}^1$

素因数の和:386304

約数の個数: 16

約数和(自身を含む): 55240783920

約数和(自身を除く): 12520047875

約数列:

[1, 5, 13, 65, 1709, 8545, 22217, 111085, 384577, 1922885, 4999501, 24997505, 657242093, 3286210465, 8544147209, 42720736045]

約数ペア:

[(1, 42720736045), (5, 8544147209), (13, 3286210465), (65, 657242093), (1709, 24997505), (8545, 4999501), (22217, 1922885), (111085, 384577)]