2080488920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{25409}}^1$

素因数の和:25532

約数の個数: 64

約数和(自身を含む): 4939704000

約数和(自身を除く): 2859215080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 890, 920, 1780, 2047, 3560, 4094, 8188, 10235, 16376, 20470, 25409, 40940, 50818, 81880, 101636, 127045, 203272, 254090, 508180, 584407, 1016360, 1168814, 2261401, 2337628, 2922035, 4522802, 4675256, 5844070, 9045604, 11307005, 11688140, 18091208, 22614010, 23376280, 45228020, 52012223, 90456040, 104024446, 208048892, 260061115, 416097784, 520122230, 1040244460, 2080488920]

約数ペア:

[(1, 2080488920), (2, 1040244460), (4, 520122230), (5, 416097784), (8, 260061115), (10, 208048892), (20, 104024446), (23, 90456040), (40, 52012223), (46, 45228020), (89, 23376280), (92, 22614010), (115, 18091208), (178, 11688140), (184, 11307005), (230, 9045604), (356, 5844070), (445, 4675256), (460, 4522802), (712, 2922035), (890, 2337628), (920, 2261401), (1780, 1168814), (2047, 1016360), (3560, 584407), (4094, 508180), (8188, 254090), (10235, 203272), (16376, 127045), (20470, 101636), (25409, 81880), (40940, 50818)]