171376720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52249}}^1$

素因数の和:52303

約数の個数: 40

約数和(自身を含む): 408177000

約数和(自身を除く): 236800280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 52249, 104498, 208996, 261245, 417992, 522490, 835984, 1044980, 2089960, 2142209, 4179920, 4284418, 8568836, 10711045, 17137672, 21422090, 34275344, 42844180, 85688360, 171376720]

約数ペア:

[(1, 171376720), (2, 85688360), (4, 42844180), (5, 34275344), (8, 21422090), (10, 17137672), (16, 10711045), (20, 8568836), (40, 4284418), (41, 4179920), (80, 2142209), (82, 2089960), (164, 1044980), (205, 835984), (328, 522490), (410, 417992), (656, 261245), (820, 208996), (1640, 104498), (3280, 52249)]