12153880

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{977}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 27462240

約数和(自身を除く): 15308360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 977, 1244, 1555, 1954, 2488, 3110, 3908, 4885, 6220, 7816, 9770, 12440, 19540, 39080, 303847, 607694, 1215388, 1519235, 2430776, 3038470, 6076940, 12153880]

約数ペア:

[(1, 12153880), (2, 6076940), (4, 3038470), (5, 2430776), (8, 1519235), (10, 1215388), (20, 607694), (40, 303847), (311, 39080), (622, 19540), (977, 12440), (1244, 9770), (1555, 7816), (1954, 6220), (2488, 4885), (3110, 3908)]