2780656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{10223}}^1$

素因数の和:10248

約数の個数: 20

約数和(自身を含む): 5704992

約数和(自身を除く): 2924336

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 10223, 20446, 40892, 81784, 163568, 173791, 347582, 695164, 1390328, 2780656]

約数ペア:

[(1, 2780656), (2, 1390328), (4, 695164), (8, 347582), (16, 173791), (17, 163568), (34, 81784), (68, 40892), (136, 20446), (272, 10223)]