82805120

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1187}}^1$

素因数の和:1315

約数の個数: 64

約数和(自身を含む): 199940400

約数和(自身を除く): 117135280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1090, 1187, 1744, 2180, 2374, 3488, 4360, 4748, 5935, 6976, 8720, 9496, 11870, 13952, 17440, 18992, 23740, 34880, 37984, 47480, 69760, 75968, 94960, 129383, 151936, 189920, 258766, 379840, 517532, 646915, 759680, 1035064, 1293830, 2070128, 2587660, 4140256, 5175320, 8280512, 10350640, 16561024, 20701280, 41402560, 82805120]

約数ペア:

[(1, 82805120), (2, 41402560), (4, 20701280), (5, 16561024), (8, 10350640), (10, 8280512), (16, 5175320), (20, 4140256), (32, 2587660), (40, 2070128), (64, 1293830), (80, 1035064), (109, 759680), (128, 646915), (160, 517532), (218, 379840), (320, 258766), (436, 189920), (545, 151936), (640, 129383), (872, 94960), (1090, 75968), (1187, 69760), (1744, 47480), (2180, 37984), (2374, 34880), (3488, 23740), (4360, 18992), (4748, 17440), (5935, 13952), (6976, 11870), (8720, 9496)]