20131038040

素因数分解:

$2^3\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{314351}}^1$

素因数の和:315963

約数の個数: 32

約数和(自身を含む): 45323271360

約数和(自身を除く): 25192233320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1601, 3202, 6404, 8005, 12808, 16010, 32020, 64040, 314351, 628702, 1257404, 1571755, 2514808, 3143510, 6287020, 12574040, 503275951, 1006551902, 2013103804, 2516379755, 4026207608, 5032759510, 10065519020, 20131038040]

約数ペア:

[(1, 20131038040), (2, 10065519020), (4, 5032759510), (5, 4026207608), (8, 2516379755), (10, 2013103804), (20, 1006551902), (40, 503275951), (1601, 12574040), (3202, 6287020), (6404, 3143510), (8005, 2514808), (12808, 1571755), (16010, 1257404), (32020, 628702), (64040, 314351)]