38747440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7229}}^1$

素因数の和:7309

約数の個数: 40

約数和(自身を含む): 91445040

約数和(自身を除く): 52697600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 7229, 14458, 28916, 36145, 57832, 72290, 115664, 144580, 289160, 484343, 578320, 968686, 1937372, 2421715, 3874744, 4843430, 7749488, 9686860, 19373720, 38747440]

約数ペア:

[(1, 38747440), (2, 19373720), (4, 9686860), (5, 7749488), (8, 4843430), (10, 3874744), (16, 2421715), (20, 1937372), (40, 968686), (67, 578320), (80, 484343), (134, 289160), (268, 144580), (335, 115664), (536, 72290), (670, 57832), (1072, 36145), (1340, 28916), (2680, 14458), (5360, 7229)]