201054520

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{17761}}^1$

素因数の和:18055

約数の個数: 32

約数和(自身を含む): 453996720

約数和(自身を除く): 252942200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 17761, 35522, 71044, 88805, 142088, 177610, 355220, 710440, 5026363, 10052726, 20105452, 25131815, 40210904, 50263630, 100527260, 201054520]

約数ペア:

[(1, 201054520), (2, 100527260), (4, 50263630), (5, 40210904), (8, 25131815), (10, 20105452), (20, 10052726), (40, 5026363), (283, 710440), (566, 355220), (1132, 177610), (1415, 142088), (2264, 88805), (2830, 71044), (5660, 35522), (11320, 17761)]