40055890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1427}}^1$

素因数の和:1842

約数の個数: 32

約数和(自身を含む): 82664064

約数和(自身を除く): 42608174

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 802, 1427, 2005, 2807, 2854, 4010, 5614, 7135, 9989, 14035, 14270, 19978, 28070, 49945, 99890, 572227, 1144454, 2861135, 4005589, 5722270, 8011178, 20027945, 40055890]

約数ペア:

[(1, 40055890), (2, 20027945), (5, 8011178), (7, 5722270), (10, 4005589), (14, 2861135), (35, 1144454), (70, 572227), (401, 99890), (802, 49945), (1427, 28070), (2005, 19978), (2807, 14270), (2854, 14035), (4010, 9989), (5614, 7135)]