55283440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9733}}^1$

素因数の和:9817

約数の個数: 40

約数和(自身を含む): 130357728

約数和(自身を除く): 75074288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 9733, 19466, 38932, 48665, 77864, 97330, 155728, 194660, 389320, 691043, 778640, 1382086, 2764172, 3455215, 5528344, 6910430, 11056688, 13820860, 27641720, 55283440]

約数ペア:

[(1, 55283440), (2, 27641720), (4, 13820860), (5, 11056688), (8, 6910430), (10, 5528344), (16, 3455215), (20, 2764172), (40, 1382086), (71, 778640), (80, 691043), (142, 389320), (284, 194660), (355, 155728), (568, 97330), (710, 77864), (1136, 48665), (1420, 38932), (2840, 19466), (5680, 9733)]