83078440

素因数分解:

$2^3\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1999}}^1$

素因数の和:3049

約数の個数: 32

約数和(自身を含む): 187200000

約数和(自身を除く): 104121560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1039, 1999, 2078, 3998, 4156, 5195, 7996, 8312, 9995, 10390, 15992, 19990, 20780, 39980, 41560, 79960, 2076961, 4153922, 8307844, 10384805, 16615688, 20769610, 41539220, 83078440]

約数ペア:

[(1, 83078440), (2, 41539220), (4, 20769610), (5, 16615688), (8, 10384805), (10, 8307844), (20, 4153922), (40, 2076961), (1039, 79960), (1999, 41560), (2078, 39980), (3998, 20780), (4156, 19990), (5195, 15992), (7996, 10390), (8312, 9995)]