51928160

素因数分解:

$2^5\times 5^1\times {\mathrm{491}}^1\times {\mathrm{661}}^1$

素因数の和:1167

約数の個数: 48

約数和(自身を含む): 123116112

約数和(自身を除く): 71187952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 491, 661, 982, 1322, 1964, 2455, 2644, 3305, 3928, 4910, 5288, 6610, 7856, 9820, 10576, 13220, 15712, 19640, 21152, 26440, 39280, 52880, 78560, 105760, 324551, 649102, 1298204, 1622755, 2596408, 3245510, 5192816, 6491020, 10385632, 12982040, 25964080, 51928160]

約数ペア:

[(1, 51928160), (2, 25964080), (4, 12982040), (5, 10385632), (8, 6491020), (10, 5192816), (16, 3245510), (20, 2596408), (32, 1622755), (40, 1298204), (80, 649102), (160, 324551), (491, 105760), (661, 78560), (982, 52880), (1322, 39280), (1964, 26440), (2455, 21152), (2644, 19640), (3305, 15712), (3928, 13220), (4910, 10576), (5288, 9820), (6610, 7856)]