66036620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{253987}}^1$

素因数の和:254009

約数の個数: 24

約数和(自身を含む): 149344944

約数和(自身を除く): 83308324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 253987, 507974, 1015948, 1269935, 2539870, 3301831, 5079740, 6603662, 13207324, 16509155, 33018310, 66036620]

約数ペア:

[(1, 66036620), (2, 33018310), (4, 16509155), (5, 13207324), (10, 6603662), (13, 5079740), (20, 3301831), (26, 2539870), (52, 1269935), (65, 1015948), (130, 507974), (260, 253987)]