51352280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{761}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 132770880

約数和(自身を除く): 81418600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 761, 964, 1205, 1522, 1687, 1928, 2410, 3044, 3374, 3805, 4820, 5327, 6088, 6748, 7610, 8435, 9640, 10654, 13496, 15220, 16870, 21308, 26635, 30440, 33740, 42616, 53270, 67480, 106540, 183401, 213080, 366802, 733604, 917005, 1283807, 1467208, 1834010, 2567614, 3668020, 5135228, 6419035, 7336040, 10270456, 12838070, 25676140, 51352280]

約数ペア:

[(1, 51352280), (2, 25676140), (4, 12838070), (5, 10270456), (7, 7336040), (8, 6419035), (10, 5135228), (14, 3668020), (20, 2567614), (28, 1834010), (35, 1467208), (40, 1283807), (56, 917005), (70, 733604), (140, 366802), (241, 213080), (280, 183401), (482, 106540), (761, 67480), (964, 53270), (1205, 42616), (1522, 33740), (1687, 30440), (1928, 26635), (2410, 21308), (3044, 16870), (3374, 15220), (3805, 13496), (4820, 10654), (5327, 9640), (6088, 8435), (6748, 7610)]