805428650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{95317}}^1$

素因数の和:95355

約数の個数: 36

約数和(自身を含む): 1622217042

約数和(自身を除く): 816788392

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 95317, 190634, 476585, 953170, 1239121, 2382925, 2478242, 4765850, 6195605, 12391210, 16108573, 30978025, 32217146, 61956050, 80542865, 161085730, 402714325, 805428650]

約数ペア:

[(1, 805428650), (2, 402714325), (5, 161085730), (10, 80542865), (13, 61956050), (25, 32217146), (26, 30978025), (50, 16108573), (65, 12391210), (130, 6195605), (169, 4765850), (325, 2478242), (338, 2382925), (650, 1239121), (845, 953170), (1690, 476585), (4225, 190634), (8450, 95317)]