51957640

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{541}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 136632780

約数和(自身を除く): 84675140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 541, 686, 980, 1082, 1372, 1715, 1960, 2164, 2401, 2705, 2744, 3430, 3787, 4328, 4802, 5410, 6860, 7574, 9604, 10820, 12005, 13720, 15148, 18935, 19208, 21640, 24010, 26509, 30296, 37870, 48020, 53018, 75740, 96040, 106036, 132545, 151480, 185563, 212072, 265090, 371126, 530180, 742252, 927815, 1060360, 1298941, 1484504, 1855630, 2597882, 3711260, 5195764, 6494705, 7422520, 10391528, 12989410, 25978820, 51957640]

約数ペア:

[(1, 51957640), (2, 25978820), (4, 12989410), (5, 10391528), (7, 7422520), (8, 6494705), (10, 5195764), (14, 3711260), (20, 2597882), (28, 1855630), (35, 1484504), (40, 1298941), (49, 1060360), (56, 927815), (70, 742252), (98, 530180), (140, 371126), (196, 265090), (245, 212072), (280, 185563), (343, 151480), (392, 132545), (490, 106036), (541, 96040), (686, 75740), (980, 53018), (1082, 48020), (1372, 37870), (1715, 30296), (1960, 26509), (2164, 24010), (2401, 21640), (2705, 19208), (2744, 18935), (3430, 15148), (3787, 13720), (4328, 12005), (4802, 10820), (5410, 9604), (6860, 7574)]