52881280

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1559}}^1$

素因数の和:1631

約数の個数: 64

約数和(自身を含む): 128887200

約数和(自身を除く): 76005920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1559, 1696, 2120, 3118, 3392, 4240, 6236, 6784, 7795, 8480, 12472, 15590, 16960, 24944, 31180, 33920, 49888, 62360, 82627, 99776, 124720, 165254, 199552, 249440, 330508, 413135, 498880, 661016, 826270, 997760, 1322032, 1652540, 2644064, 3305080, 5288128, 6610160, 10576256, 13220320, 26440640, 52881280]

約数ペア:

[(1, 52881280), (2, 26440640), (4, 13220320), (5, 10576256), (8, 6610160), (10, 5288128), (16, 3305080), (20, 2644064), (32, 1652540), (40, 1322032), (53, 997760), (64, 826270), (80, 661016), (106, 498880), (128, 413135), (160, 330508), (212, 249440), (265, 199552), (320, 165254), (424, 124720), (530, 99776), (640, 82627), (848, 62360), (1060, 49888), (1559, 33920), (1696, 31180), (2120, 24944), (3118, 16960), (3392, 15590), (4240, 12472), (6236, 8480), (6784, 7795)]