56043440

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6427}}^1$

素因数の和:6549

約数の個数: 40

約数和(自身を含む): 131516880

約数和(自身を除く): 75473440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 6427, 8720, 12854, 25708, 32135, 51416, 64270, 102832, 128540, 257080, 514160, 700543, 1401086, 2802172, 3502715, 5604344, 7005430, 11208688, 14010860, 28021720, 56043440]

約数ペア:

[(1, 56043440), (2, 28021720), (4, 14010860), (5, 11208688), (8, 7005430), (10, 5604344), (16, 3502715), (20, 2802172), (40, 1401086), (80, 700543), (109, 514160), (218, 257080), (436, 128540), (545, 102832), (872, 64270), (1090, 51416), (1744, 32135), (2180, 25708), (4360, 12854), (6427, 8720)]