27641720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9733}}^1$

素因数の和:9815

約数の個数: 32

約数和(自身を含む): 63076320

約数和(自身を除く): 35434600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 9733, 19466, 38932, 48665, 77864, 97330, 194660, 389320, 691043, 1382086, 2764172, 3455215, 5528344, 6910430, 13820860, 27641720]

約数ペア:

[(1, 27641720), (2, 13820860), (4, 6910430), (5, 5528344), (8, 3455215), (10, 2764172), (20, 1382086), (40, 691043), (71, 389320), (142, 194660), (284, 97330), (355, 77864), (568, 48665), (710, 38932), (1420, 19466), (2840, 9733)]