11941780

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1489}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 25157160

約数和(自身を除く): 13215380

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1489, 1604, 2005, 2978, 4010, 5956, 7445, 8020, 14890, 29780, 597089, 1194178, 2388356, 2985445, 5970890, 11941780]

約数ペア:

[(1, 11941780), (2, 5970890), (4, 2985445), (5, 2388356), (10, 1194178), (20, 597089), (401, 29780), (802, 14890), (1489, 8020), (1604, 7445), (2005, 5956), (2978, 4010)]