40289405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 58759344

約数和(自身を除く): 18469939

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 101, 221, 247, 323, 361, 505, 1105, 1235, 1313, 1615, 1717, 1805, 1919, 4199, 4693, 6137, 6565, 8585, 9595, 20995, 22321, 23465, 24947, 30685, 32623, 36461, 79781, 111605, 124735, 163115, 182305, 398905, 424099, 473993, 619837, 2120495, 2369965, 3099185, 8057881, 40289405]

約数ペア:

[(1, 40289405), (5, 8057881), (13, 3099185), (17, 2369965), (19, 2120495), (65, 619837), (85, 473993), (95, 424099), (101, 398905), (221, 182305), (247, 163115), (323, 124735), (361, 111605), (505, 79781), (1105, 36461), (1235, 32623), (1313, 30685), (1615, 24947), (1717, 23465), (1805, 22321), (1919, 20995), (4199, 9595), (4693, 8585), (6137, 6565)]