51009140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28027}}^1$

素因数の和:28056

約数の個数: 48

約数和(自身を含む): 131843712

約数和(自身を除く): 80834572

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 28027, 56054, 112108, 140135, 196189, 280270, 364351, 392378, 560540, 728702, 784756, 980945, 1457404, 1821755, 1961890, 2550457, 3643510, 3923780, 5100914, 7287020, 10201828, 12752285, 25504570, 51009140]

約数ペア:

[(1, 51009140), (2, 25504570), (4, 12752285), (5, 10201828), (7, 7287020), (10, 5100914), (13, 3923780), (14, 3643510), (20, 2550457), (26, 1961890), (28, 1821755), (35, 1457404), (52, 980945), (65, 784756), (70, 728702), (91, 560540), (130, 392378), (140, 364351), (182, 280270), (260, 196189), (364, 140135), (455, 112108), (910, 56054), (1820, 28027)]