40645360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 108868032

約数和(自身を除く): 68222672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 181, 280, 362, 401, 560, 724, 802, 905, 1267, 1448, 1604, 1810, 2005, 2534, 2807, 2896, 3208, 3620, 4010, 5068, 5614, 6335, 6416, 7240, 8020, 10136, 11228, 12670, 14035, 14480, 16040, 20272, 22456, 25340, 28070, 32080, 44912, 50680, 56140, 72581, 101360, 112280, 145162, 224560, 290324, 362905, 508067, 580648, 725810, 1016134, 1161296, 1451620, 2032268, 2540335, 2903240, 4064536, 5080670, 5806480, 8129072, 10161340, 20322680, 40645360]

約数ペア:

[(1, 40645360), (2, 20322680), (4, 10161340), (5, 8129072), (7, 5806480), (8, 5080670), (10, 4064536), (14, 2903240), (16, 2540335), (20, 2032268), (28, 1451620), (35, 1161296), (40, 1016134), (56, 725810), (70, 580648), (80, 508067), (112, 362905), (140, 290324), (181, 224560), (280, 145162), (362, 112280), (401, 101360), (560, 72581), (724, 56140), (802, 50680), (905, 44912), (1267, 32080), (1448, 28070), (1604, 25340), (1810, 22456), (2005, 20272), (2534, 16040), (2807, 14480), (2896, 14035), (3208, 12670), (3620, 11228), (4010, 10136), (5068, 8020), (5614, 7240), (6335, 6416)]