27728440

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4007}}^1$

素因数の和:4191

約数の個数: 32

約数和(自身を含む): 62765280

約数和(自身を除く): 35036840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 4007, 6920, 8014, 16028, 20035, 32056, 40070, 80140, 160280, 693211, 1386422, 2772844, 3466055, 5545688, 6932110, 13864220, 27728440]

約数ペア:

[(1, 27728440), (2, 13864220), (4, 6932110), (5, 5545688), (8, 3466055), (10, 2772844), (20, 1386422), (40, 693211), (173, 160280), (346, 80140), (692, 40070), (865, 32056), (1384, 20035), (1730, 16028), (3460, 8014), (4007, 6920)]