28036120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100129}}^1$

素因数の和:100147

約数の個数: 32

約数和(自身を含む): 72093600

約数和(自身を除く): 44057480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100129, 200258, 400516, 500645, 700903, 801032, 1001290, 1401806, 2002580, 2803612, 3504515, 4005160, 5607224, 7009030, 14018060, 28036120]

約数ペア:

[(1, 28036120), (2, 14018060), (4, 7009030), (5, 5607224), (7, 4005160), (8, 3504515), (10, 2803612), (14, 2002580), (20, 1401806), (28, 1001290), (35, 801032), (40, 700903), (56, 500645), (70, 400516), (140, 200258), (280, 100129)]