56043140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 121492224

約数和(自身を除く): 65449084

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 610, 647, 710, 1220, 1294, 1420, 2588, 3235, 4331, 6470, 8662, 12940, 17324, 21655, 39467, 43310, 45937, 78934, 86620, 91874, 157868, 183748, 197335, 229685, 394670, 459370, 789340, 918740, 2802157, 5604314, 11208628, 14010785, 28021570, 56043140]

約数ペア:

[(1, 56043140), (2, 28021570), (4, 14010785), (5, 11208628), (10, 5604314), (20, 2802157), (61, 918740), (71, 789340), (122, 459370), (142, 394670), (244, 229685), (284, 197335), (305, 183748), (355, 157868), (610, 91874), (647, 86620), (710, 78934), (1220, 45937), (1294, 43310), (1420, 39467), (2588, 21655), (3235, 17324), (4331, 12940), (6470, 8662)]