28811440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51449}}^1$

素因数の和:51469

約数の個数: 40

約数和(自身を含む): 76557600

約数和(自身を除く): 47746160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51449, 102898, 205796, 257245, 360143, 411592, 514490, 720286, 823184, 1028980, 1440572, 1800715, 2057960, 2881144, 3601430, 4115920, 5762288, 7202860, 14405720, 28811440]

約数ペア:

[(1, 28811440), (2, 14405720), (4, 7202860), (5, 5762288), (7, 4115920), (8, 3601430), (10, 2881144), (14, 2057960), (16, 1800715), (20, 1440572), (28, 1028980), (35, 823184), (40, 720286), (56, 514490), (70, 411592), (80, 360143), (112, 257245), (140, 205796), (280, 102898), (560, 51449)]