12908780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37967}}^1$

素因数の和:37993

約数の個数: 24

約数和(自身を含む): 28703808

約数和(自身を除く): 15795028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 37967, 75934, 151868, 189835, 379670, 645439, 759340, 1290878, 2581756, 3227195, 6454390, 12908780]

約数ペア:

[(1, 12908780), (2, 6454390), (4, 3227195), (5, 2581756), (10, 1290878), (17, 759340), (20, 645439), (34, 379670), (68, 189835), (85, 151868), (170, 75934), (340, 37967)]