27801640

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2003}}^1$

素因数の和:2361

約数の個数: 32

約数和(自身を含む): 62765280

約数和(自身を除く): 34963640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2003, 2776, 3470, 4006, 6940, 8012, 10015, 13880, 16024, 20030, 40060, 80120, 695041, 1390082, 2780164, 3475205, 5560328, 6950410, 13900820, 27801640]

約数ペア:

[(1, 27801640), (2, 13900820), (4, 6950410), (5, 5560328), (8, 3475205), (10, 2780164), (20, 1390082), (40, 695041), (347, 80120), (694, 40060), (1388, 20030), (1735, 16024), (2003, 13880), (2776, 10015), (3470, 8012), (4006, 6940)]