40866140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{291901}}^1$

素因数の和:291917

約数の個数: 24

約数和(自身を含む): 98079072

約数和(自身を除く): 57212932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 291901, 583802, 1167604, 1459505, 2043307, 2919010, 4086614, 5838020, 8173228, 10216535, 20433070, 40866140]

約数ペア:

[(1, 40866140), (2, 20433070), (4, 10216535), (5, 8173228), (7, 5838020), (10, 4086614), (14, 2919010), (20, 2043307), (28, 1459505), (35, 1167604), (70, 583802), (140, 291901)]