66887440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{12479}}^1$

素因数の和:12559

約数の個数: 40

約数和(自身を含む): 157847040

約数和(自身を除く): 90959600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 12479, 24958, 49916, 62395, 99832, 124790, 199664, 249580, 499160, 836093, 998320, 1672186, 3344372, 4180465, 6688744, 8360930, 13377488, 16721860, 33443720, 66887440]

約数ペア:

[(1, 66887440), (2, 33443720), (4, 16721860), (5, 13377488), (8, 8360930), (10, 6688744), (16, 4180465), (20, 3344372), (40, 1672186), (67, 998320), (80, 836093), (134, 499160), (268, 249580), (335, 199664), (536, 124790), (670, 99832), (1072, 62395), (1340, 49916), (2680, 24958), (5360, 12479)]