40550020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289643}}^1$

素因数の和:289659

約数の個数: 24

約数和(自身を含む): 97320384

約数和(自身を除く): 56770364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289643, 579286, 1158572, 1448215, 2027501, 2896430, 4055002, 5792860, 8110004, 10137505, 20275010, 40550020]

約数ペア:

[(1, 40550020), (2, 20275010), (4, 10137505), (5, 8110004), (7, 5792860), (10, 4055002), (14, 2896430), (20, 2027501), (28, 1448215), (35, 1158572), (70, 579286), (140, 289643)]