12880144

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{21757}}^1$

素因数の和:21802

約数の個数: 20

約数和(自身を含む): 25630924

約数和(自身を除く): 12750780

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 21757, 43514, 87028, 174056, 348112, 805009, 1610018, 3220036, 6440072, 12880144]

約数ペア:

[(1, 12880144), (2, 6440072), (4, 3220036), (8, 1610018), (16, 805009), (37, 348112), (74, 174056), (148, 87028), (296, 43514), (592, 21757)]