40698980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{290707}}^1$

素因数の和:290723

約数の個数: 24

約数和(自身を含む): 97677888

約数和(自身を除く): 56978908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 290707, 581414, 1162828, 1453535, 2034949, 2907070, 4069898, 5814140, 8139796, 10174745, 20349490, 40698980]

約数ペア:

[(1, 40698980), (2, 20349490), (4, 10174745), (5, 8139796), (7, 5814140), (10, 4069898), (14, 2907070), (20, 2034949), (28, 1453535), (35, 1162828), (70, 581414), (140, 290707)]