39449020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2137}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 90514368

約数和(自身を除く): 51065348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 2137, 3692, 4274, 4615, 8548, 9230, 10685, 18460, 21370, 27781, 42740, 55562, 111124, 138905, 151727, 277810, 303454, 555620, 606908, 758635, 1517270, 1972451, 3034540, 3944902, 7889804, 9862255, 19724510, 39449020]

約数ペア:

[(1, 39449020), (2, 19724510), (4, 9862255), (5, 7889804), (10, 3944902), (13, 3034540), (20, 1972451), (26, 1517270), (52, 758635), (65, 606908), (71, 555620), (130, 303454), (142, 277810), (260, 151727), (284, 138905), (355, 111124), (710, 55562), (923, 42740), (1420, 27781), (1846, 21370), (2137, 18460), (3692, 10685), (4274, 9230), (4615, 8548)]