30897680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{35111}}^1$

素因数の和:35135

約数の個数: 40

約数和(自身を含む): 78369984

約数和(自身を除く): 47472304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 35111, 70222, 140444, 175555, 280888, 351110, 386221, 561776, 702220, 772442, 1404440, 1544884, 1931105, 2808880, 3089768, 3862210, 6179536, 7724420, 15448840, 30897680]

約数ペア:

[(1, 30897680), (2, 15448840), (4, 7724420), (5, 6179536), (8, 3862210), (10, 3089768), (11, 2808880), (16, 1931105), (20, 1544884), (22, 1404440), (40, 772442), (44, 702220), (55, 561776), (80, 386221), (88, 351110), (110, 280888), (176, 175555), (220, 140444), (440, 70222), (880, 35111)]