166156880

素因数分解:

$2^4\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1999}}^1$

素因数の和:3051

約数の個数: 40

約数和(自身を含む): 386880000

約数和(自身を除く): 220723120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1039, 1999, 2078, 3998, 4156, 5195, 7996, 8312, 9995, 10390, 15992, 16624, 19990, 20780, 31984, 39980, 41560, 79960, 83120, 159920, 2076961, 4153922, 8307844, 10384805, 16615688, 20769610, 33231376, 41539220, 83078440, 166156880]

約数ペア:

[(1, 166156880), (2, 83078440), (4, 41539220), (5, 33231376), (8, 20769610), (10, 16615688), (16, 10384805), (20, 8307844), (40, 4153922), (80, 2076961), (1039, 159920), (1999, 83120), (2078, 79960), (3998, 41560), (4156, 39980), (5195, 31984), (7996, 20780), (8312, 19990), (9995, 16624), (10390, 15992)]