13778360

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{859}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 31114800

約数和(自身を除く): 17336440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 859, 1604, 1718, 2005, 3208, 3436, 4010, 4295, 6872, 8020, 8590, 16040, 17180, 34360, 344459, 688918, 1377836, 1722295, 2755672, 3444590, 6889180, 13778360]

約数ペア:

[(1, 13778360), (2, 6889180), (4, 3444590), (5, 2755672), (8, 1722295), (10, 1377836), (20, 688918), (40, 344459), (401, 34360), (802, 17180), (859, 16040), (1604, 8590), (1718, 8020), (2005, 6872), (3208, 4295), (3436, 4010)]