2016408920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{7759}}^1$

素因数の和:7932

約数の個数: 64

約数和(自身を含む): 4651344000

約数和(自身を除く): 2634935080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 89, 146, 178, 292, 356, 365, 445, 584, 712, 730, 890, 1460, 1780, 2920, 3560, 6497, 7759, 12994, 15518, 25988, 31036, 32485, 38795, 51976, 62072, 64970, 77590, 129940, 155180, 259880, 310360, 566407, 690551, 1132814, 1381102, 2265628, 2762204, 2832035, 3452755, 4531256, 5524408, 5664070, 6905510, 11328140, 13811020, 22656280, 27622040, 50410223, 100820446, 201640892, 252051115, 403281784, 504102230, 1008204460, 2016408920]

約数ペア:

[(1, 2016408920), (2, 1008204460), (4, 504102230), (5, 403281784), (8, 252051115), (10, 201640892), (20, 100820446), (40, 50410223), (73, 27622040), (89, 22656280), (146, 13811020), (178, 11328140), (292, 6905510), (356, 5664070), (365, 5524408), (445, 4531256), (584, 3452755), (712, 2832035), (730, 2762204), (890, 2265628), (1460, 1381102), (1780, 1132814), (2920, 690551), (3560, 566407), (6497, 310360), (7759, 259880), (12994, 155180), (15518, 129940), (25988, 77590), (31036, 64970), (32485, 62072), (38795, 51976)]