1294038520

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{43541}}^1$

素因数の和:44295

約数の個数: 32

約数和(自身を含む): 2915572320

約数和(自身を除く): 1621533800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2972, 3715, 5944, 7430, 14860, 29720, 43541, 87082, 174164, 217705, 348328, 435410, 870820, 1741640, 32350963, 64701926, 129403852, 161754815, 258807704, 323509630, 647019260, 1294038520]

約数ペア:

[(1, 1294038520), (2, 647019260), (4, 323509630), (5, 258807704), (8, 161754815), (10, 129403852), (20, 64701926), (40, 32350963), (743, 1741640), (1486, 870820), (2972, 435410), (3715, 348328), (5944, 217705), (7430, 174164), (14860, 87082), (29720, 43541)]