208033040

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23857}}^1$

素因数の和:23979

約数の個数: 40

約数和(自身を含む): 488134680

約数和(自身を除く): 280101640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 23857, 47714, 95428, 119285, 190856, 238570, 381712, 477140, 954280, 1908560, 2600413, 5200826, 10401652, 13002065, 20803304, 26004130, 41606608, 52008260, 104016520, 208033040]

約数ペア:

[(1, 208033040), (2, 104016520), (4, 52008260), (5, 41606608), (8, 26004130), (10, 20803304), (16, 13002065), (20, 10401652), (40, 5200826), (80, 2600413), (109, 1908560), (218, 954280), (436, 477140), (545, 381712), (872, 238570), (1090, 190856), (1744, 119285), (2180, 95428), (4360, 47714), (8720, 23857)]