128135840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{114407}}^1$

素因数の和:114429

約数の個数: 48

約数和(自身を含む): 345969792

約数和(自身を除く): 217833952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 114407, 228814, 457628, 572035, 800849, 915256, 1144070, 1601698, 1830512, 2288140, 3203396, 3661024, 4004245, 4576280, 6406792, 8008490, 9152560, 12813584, 16016980, 18305120, 25627168, 32033960, 64067920, 128135840]

約数ペア:

[(1, 128135840), (2, 64067920), (4, 32033960), (5, 25627168), (7, 18305120), (8, 16016980), (10, 12813584), (14, 9152560), (16, 8008490), (20, 6406792), (28, 4576280), (32, 4004245), (35, 3661024), (40, 3203396), (56, 2288140), (70, 1830512), (80, 1601698), (112, 1144070), (140, 915256), (160, 800849), (224, 572035), (280, 457628), (560, 228814), (1120, 114407)]