891889367020

素因数分解:

$2^2\times 5^1\times {\mathrm{18127}}^1\times {\mathrm{2460113}}^1$

素因数の和:2478249

約数の個数: 24

約数和(自身を含む): 1873071756864

約数和(自身を除く): 981182389844

約数列:

[1, 2, 4, 5, 10, 20, 18127, 36254, 72508, 90635, 181270, 362540, 2460113, 4920226, 9840452, 12300565, 24601130, 49202260, 44594468351, 89188936702, 178377873404, 222972341755, 445944683510, 891889367020]

約数ペア:

[(1, 891889367020), (2, 445944683510), (4, 222972341755), (5, 178377873404), (10, 89188936702), (20, 44594468351), (18127, 49202260), (36254, 24601130), (72508, 12300565), (90635, 9840452), (181270, 4920226), (362540, 2460113)]