56771560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 133650000

約数和(自身を除く): 76878440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 109, 116, 145, 218, 232, 290, 436, 449, 545, 580, 872, 898, 1090, 1160, 1796, 2180, 2245, 3161, 3592, 4360, 4490, 6322, 8980, 12644, 13021, 15805, 17960, 25288, 26042, 31610, 48941, 52084, 63220, 65105, 97882, 104168, 126440, 130210, 195764, 244705, 260420, 391528, 489410, 520840, 978820, 1419289, 1957640, 2838578, 5677156, 7096445, 11354312, 14192890, 28385780, 56771560]

約数ペア:

[(1, 56771560), (2, 28385780), (4, 14192890), (5, 11354312), (8, 7096445), (10, 5677156), (20, 2838578), (29, 1957640), (40, 1419289), (58, 978820), (109, 520840), (116, 489410), (145, 391528), (218, 260420), (232, 244705), (290, 195764), (436, 130210), (449, 126440), (545, 104168), (580, 97882), (872, 65105), (898, 63220), (1090, 52084), (1160, 48941), (1796, 31610), (2180, 26042), (2245, 25288), (3161, 17960), (3592, 15805), (4360, 13021), (4490, 12644), (6322, 8980)]