1781245280

素因数分解:

$2^5\times 5^1\times {\mathrm{11132783}}^1$

素因数の和:11132798

約数の個数: 24

約数和(自身を含む): 4208192352

約数和(自身を除く): 2426947072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 11132783, 22265566, 44531132, 55663915, 89062264, 111327830, 178124528, 222655660, 356249056, 445311320, 890622640, 1781245280]

約数ペア:

[(1, 1781245280), (2, 890622640), (4, 445311320), (5, 356249056), (8, 222655660), (10, 178124528), (16, 111327830), (20, 89062264), (32, 55663915), (40, 44531132), (80, 22265566), (160, 11132783)]