66760460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{256771}}^1$

素因数の和:256793

約数の個数: 24

約数和(自身を含む): 150981936

約数和(自身を除く): 84221476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 256771, 513542, 1027084, 1283855, 2567710, 3338023, 5135420, 6676046, 13352092, 16690115, 33380230, 66760460]

約数ペア:

[(1, 66760460), (2, 33380230), (4, 16690115), (5, 13352092), (10, 6676046), (13, 5135420), (20, 3338023), (26, 2567710), (52, 1283855), (65, 1027084), (130, 513542), (260, 256771)]