30125920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17117}}^1$

素因数の和:17143

約数の個数: 48

約数和(自身を含む): 77647248

約数和(自身を除く): 47521328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 17117, 34234, 68468, 85585, 136936, 171170, 188287, 273872, 342340, 376574, 547744, 684680, 753148, 941435, 1369360, 1506296, 1882870, 2738720, 3012592, 3765740, 6025184, 7531480, 15062960, 30125920]

約数ペア:

[(1, 30125920), (2, 15062960), (4, 7531480), (5, 6025184), (8, 3765740), (10, 3012592), (11, 2738720), (16, 1882870), (20, 1506296), (22, 1369360), (32, 941435), (40, 753148), (44, 684680), (55, 547744), (80, 376574), (88, 342340), (110, 273872), (160, 188287), (176, 171170), (220, 136936), (352, 85585), (440, 68468), (880, 34234), (1760, 17117)]